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Company Name |
Location |
Area |
Year |
Class |
Box No |
Company No |
| Oak Pits Colliery Co. Ltd | Mold | Flintshire | 1866 | BT31 | 1236 | 2907C |
| Oakdale Navigation Collieries Ltd | Oakdale | Monmouthshire | 1906 | BT31 | 36866 | 91269 |
| Oakenholt Colliery Syndicate Ltd | Flint | Flintshire | 1896 | BT31 | 6635 | 46676 |
| Oakerthorpe Iron & Coal Co. Ltd | Oakerthorpe | Derbyshire | 1859 | BT31 | 435 | 1677 |
| Oakham Collieries Co. Ltd | 1873 | BT31 | 1919 | 7889 | ||
| Oakland Colliery Co. Ltd | Tonmawr | Glamorganshire | 1914 | BT31 | 22386 | 136632 |
| Oakley Collieries Ltd | 1896-1901 | BT2 | 3202 | |||
| Oakwell Collieries Ltd | 1873 | BT31 | 1800 | 6873 | ||
| Oakwood Colliery Co. Ltd | 1913 | BT31 | 21498 | 129329 | ||
| Oakwood Grange Colliery Co. Ltd (The) | Cossall | Nottinghamshire | 1936 | BT31 | 37324 | 318171 |
| Ocean Coal & Shipping Contract Co. | 1864 | BT31 | 924 | 1146C | ||
| Oceana Transvaal Coal Co. Ltd | 1893 | BT31 | 5611 | 39076 | ||
| Old Cornsay Coal Co. Ltd | 1927 | BT31 | 30009 | 225418 | ||
| Old Hayswood Coal & Iron Co. Ltd | 1885 | BT31 | 3502 | 21316 | ||
| Old Park Road Colliery Co. Ltd | 1904 | BT31 | 10553 | 79752 | ||
| Old Providence Lead & Coal Field Co. Ltd | Kettlewell | Yorkshire | 1857 | BT31 | 312 | 1084 |
| Old Silkstone & Dodworth Coal & Iron Co. Ltd | Barnsley | Yorkshire | 1882 | BT31 | 3081 | 17616 |
| Old Silkstone Colliery Co. Ltd | Barnsley | Yorkshire | 1872 | BT31 | 1734 | 6387 |
| Oldfield Colliery Ltd | Stoke-on-Trent | Staffordshire | 1893 | BT31 | 5560 | 38686 |
| Oldham Middleton & Rochdale Coal Co. Ltd | Oldham | Lancashire | 1865 | BT31 | 1163 | 2487C |
| Oldland Colliery Co. Ltd | Bristol | Gloucestershire | 1880 | BT31 | 2694 | 14492 |
| Ollersett Collieries Co. Ltd | Hayfield | Derbyshire | 1892 | BT31 | 15215 | 35928 |
| Olney Gas Light Coke & Coal Co. Ltd | 1910 | BT31 | 32071 | 110537 | ||
| Ongar Gas Light Coal & Coke Co. Ltd | 1880 | BT31 | 2599 | 13684 | ||
| Onllwyn & Dulais Collieries Co. Ltd | 1879 | BT31 | 2584 | 13563 | ||
| Onllwyn Iron & Coal Co. Ltd | 1864 | BT31 | 968 | 1376C | ||
| Oran Coal Co. Ltd | 1913 | BT31 | 40587-4058 | 131450 | ||
| Ordem Coal Mines Ltd | 1925 | BT31 | 32687 | 206070 | ||
| Oriental Screw Collier Co. Ltd | 1868-1880 | BT2 | 283 | |||
| Original Hartlepool Collieries Co | Peterlee | Durham | 1873 | BT31 | 1106 | 2152C |
| Original Hartlepool Collieries Co. Ltd | Peterlee | Durham | 1865 | BT31 | 1106 | 2152C |
| Ormiston Coal Co. Ltd | 1892 | BT2 | 2395 | |||
| Orrell Coal & Cannell Co. Ltd | Wigan | Lancashire | 1875 | BT31 | 2119 | 9664 |
| Orrell Colliery & Fire Brick Co. Ltd | Wigan | Lancashire | 1874 | BT31 | 1926 | 7950 |
| Osmondcroft Coal Brick & Tile Co. Ltd | Winston | Durham | 1878 | BT31 | 2473 | 12650 |
| Ossett Flockton Coal Co. Ltd | Ossett | Yorkshire | 1877 | BT31 | 2381 | 11819 |
| Oswaldtwistle Collieries Ltd | Oswaldtwistle | Lancashire | 1899 | BT31 | 16311 | 64451 |
| Oswestry Coal & Brick Co. Ltd | Oswestry | Shropshire | 1874 | BT31 | 2017 | 8720 |
| Otters Pool Coal Docks Ltd | 1911 | BT31 | 13607 | 115791 | ||
| Oughterside Coal Co. Ltd | Aspatria | Cumberland | 1902 | BT31 | 16901 | 75053 |
| Outwood Collieries Ltd | 1909 | BT31 | 18847 | 103005 | ||
| Overseal Colliery Co. Ltd | 1872 | BT31 | 1765 | 6613 | ||
| Overseas Coal Merchants Ltd | 1940 | BT31 | 37372 | 359282 | ||
| Overton & Bangor Gas Coke Coal Co. Ltd | 1872 | BT31 | 1705 | 6149 | ||
| Owen Glyndwr Coal & Lime Bricks Tiles & Manure Co. Ltd | 1872 | BT31 | 1722 | 6298 | ||
| Owners of Deckham Hall Colliery Ltd | 1889 | BT31 | 4640 | 30488 | ||
| Owners of Redheugh Colliery Ltd | Gateshead | Durham | 1907 | BT31 | 18268 | 95609 |
| Owners of South Medomsley Colliery Ltd | Dipton | Durham | 1898 | BT31 | 31599 | 56135 |
| Pades Wood Coal Co. Ltd | 1870 | BT31 | 1546 | 4945 | ||
| Padeswood Buckley Brick & Coal Co. Ltd | 1897 | BT31 | 7574 | 54030 | ||
| Padeswood Cannel & Coal Co. Ltd | Mold | Flintshire | 1889 | BT31 | 4577 | 29966 |
| Padeswood Hall Colliery Co. Ltd | 1875 | BT31 | 2093 | 9401 | ||
| Padeswood United Cannel Coal & Iron Co. Ltd | Mold | Flintshire | 1873 | BT31 | 1888 | 7560 |
| Paignton Gaslight Coke & Coal Co. Ltd | 1859 | BT31 | 442 | 1710 | ||
| Palleg Anthracite Coal & Iron Co. Ltd | 1863 | BT31 | 799 | 524C | ||
| Panama Coaling & Shipping Co. Ltd | 1913 | BT31 | 14054 | 126724 | ||
| Pant Coal, Brick & Fireclay Co. Ltd | 1874 | BT31 | 1999 | 8595 | ||
| Pant y Fownog Coal Co. Ltd | 1860 | BT31 | 506 | 2011 | ||
| Panteg Collieries & Blaendare Brickworks Co. Ltd | 1921 | BT31 | 37999-3800 | 173416 | ||
| Pantmawr Anthracite Collieries Ltd | Ystradgynlais | Breconshire | 1909 | BT31 | 12625 | 101036 |
| Pantyfaunog & Mynddissa Collieries Co. Ltd | 1874 | BT31 | 1994 | 8564 | ||
| Pantyffynon Anthracite Colliery Syndicate Ltd | 1890 | BT31 | 4922 | 32796 | ||
| Paragon & Spero Coal Mining Co. Ltd | 1857 | BT31 | 250 | 826 | ||
| Paragon & Spero Coal Mining Co. Ltd | 1857 | BT31 | 250 | 826 | ||
| Paragon & Spero Coal Mining Co. Ltd | BT41 | 536 | 2937 | |||
| Parc y Bryn Colliery Co. Ltd | Bryn | Glamorganshire | 1907 | BT31 | 18145 | 94063 |
| Parc y Fan Colliery Ltd | 1922 | BT31 | 27274 | 182416 | ||
| Parent Coal Carbonisation Trust Ltd | Treuddyn | Flintshire | 1929 | BT31 | 33058 | 237309 |
| Paris Coal Supply & Freight Co. Ltd | 1866 | BT31 | 1226 | 2846C | ||
| Park Coal Co. Ltd | Dewsbury | Yorkshire | 1867 | BT31 | 1367 | 3746 |
| Park Hall Collieries Ltd | Stoke-on-Trent | Staffordshire | 1889 | BT31 | 4613 | 30265 |
| Park Iron Mines & Collieries Co. Ltd | Bream | Gloucestershire | 1890 | BT31 | 4900 | 32604 |
| Park Iron Mines & Collieries Co. Ltd | 1890 | BT31 | 4900 | 32604 | ||
| Park Iron Ore & Coal Co. Ltd | Bream | Gloucestershire | 1895 | BT31 | 6194 | 43888 |
| Park Lane Colliery Ltd | Tipton | Staffordshire | 1915 | BT31 | 22729 | 139472 |
| Parkend & New Fancy Collieries Co. Ltd | 1885 | BT31 | 3466 | 20991 | ||
| Parkend Coal Co. Ltd | Gloucestershire | 1878 | BT31 | 2478 | 12699 | |
| Parkend Deep Navigation Collieries Ltd | Parkend | Gloucestershire | 1890 | BT31 | 36596 | 32564 |
| Parkers Coal Supplies Ltd | 1938 | BT31 | 43501 | 343938 | ||
| Parkhouse Collieries Ltd | Stoke-on-Trent | Staffordshire | 1929 | BT31 | 38046 | 242655 |
| Parkins Colliery Co. Ltd | 1918 | BT31 | 24180 | 151447 | ||
| Parkinsons Lancashire Coal Co. Ltd | 1919 | BT31 | 24962 | 158250 | ||
| Parlaston Coal & Iron Co. Ltd | 1877 | BT31 | 2370 | 11712 | ||
| Pateley Bridge Gas Coal & Coke Co. Ltd | Pateley Bridge | Yorkshire | 1910 | BT31 | 19729 | 112731 |
| Pateley Bridge Gas Coal & Coke Co. Ltd | Pateley Bridge | Yorkshire | 1910 | BT31 | 19729 | 112731 |
| Patent Anthracite Fuel Coke & Coal Co. Ltd | 1884 | BT31 | 3370 | 20094 | ||
| Patent Coal Briquette Co. Ltd | 1897 | BT31 | 7431 | 52801 | ||
| Patent Economic Coal Co. Ltd | 1881 | BT31 | 2864 | 15788 | ||
| Pauillac Coal & Pitwood Co. Ltd | 1899 | BT31 | 8307 | 60344 | ||
| Paul’s Patent Rapid Coaling Barge Syndicate Ltd | 1892 | BT31 | 5389 | 37081 | ||
| Peat Coal & Charcoal Co. Ltd | 1873 | BT31 | 1845 | 7221 | ||
| Peat Coal Investment Co. Ltd | 1909 | BT31 | 19126 | 106343 | ||
| Peat Coal Syndicate Ltd | 1903 | BT31 | 10473 | 79016 | ||
| Peel Hall Collieries Ltd | Tyldesley | Lancashire | 1938 | BT31 | 36974 | 345168 |
| Pelsall Coal & Iron Co. Ltd | 1873 | BT31 | 1834 | 7152 | ||
| Pelsall Colliery Ltd | Pelsall | Staffordshire | 1924 | BT31 | 28414 | 196576 |
| Pelsall Wood Colliery Co. Ltd | 1920 | BT31 | 26092 | 169271 | ||
| Pemberton Coal Depot & Supply Co. Ltd | 1924 | BT31 | 28744 | 201046 | ||
| Pemberton Collieries Co. Ltd | Wigan | Lancashire | 1900 | BT31 | 16536 | 68121 |
| Pembina Coal Fields Syndicate Ltd | 1909 | BT31 | 12944 | 105388 | ||
| Pembrokeshire Iron & Coal Co. | 1861 | BT31 | 562 | 2301 | ||
| Pen y Coed Colliery Co. Ltd | 1859 | BT31 | 430 | 1658 | ||
| Pen y Rhiew Colliery Co. Ltd | 1856 | BT31 | 28 | 134 | ||
| Penclawdd (Cefn M Chem) Colliery Co. Ltd | 1896 | BT31 | 6737 | 47363 | ||
| Penclawdd Colliery Co. Ltd | 1857 | BT31 | 223 | 703 | ||
| Penclawdd Colliery Ltd | 1901 | BT31 | 9596 | 71308 | ||
| Pendare Navigation Coal Co. Ltd | 1918 | BT31 | 24221 | 151763 | ||
| Pendlebury Colliery Co. Ltd | Bentley | Staffordshire | 1904 | BT31 | 17344 | 82825 |
| Pengam Colliery & Brickworks Co. Ltd | 1890 | BT31 | 4874 | 32366 | ||
| Pengam Colliery Co. Ltd | 1919 | BT31 | 25083 | 159376 | ||
| Penhydd Colliery Co. Ltd | Penhydd Fawr | Glamorganshire | 1918 | BT31 | 32264 | 151695 |
| Penlan Colliery Co. (1909) Ltd | Penclawdd | Glamorganshire | 1909 | BT31 | 19164 | 106761 |
| Penlan Colliery Co. Ltd | Penclawdd | Glamorganshire | 1893 | BT31 | 15304 | 38606 |
| Penlan Colliery Co. Ltd | Llanmorlais | Glamorganshire | 1919 | BT31 | 24443 | 153541 |
| Pennar Ganol Colliery Co. Ltd | 1921 | BT31 | 26889 | 178013 | ||
| Pennywell Collieries Co. Ltd | 1873 | BT31 | 1908 | 7771 | ||
| Pennywell Collieries Co. Ltd | 1875 | BT31 | 2171 | 10128 | ||
| Penrhiw & Woodfield Collieries Co. Ltd | Blackwood | Monmouthshire | 1895 | BT31 | 6441 | 45426 |
| Penrhiw Coal Co. Ltd | 1894 | BT31 | 5917 | 41616 | ||
| Penrhys Colliery Co. Ltd | 1915 | BT31 | 22973 | 141480 | ||
| Penrhys Rhondda Colliery Co. Ltd | 1890 | BT31 | 4754 | 31419 | ||
| Pensford & Bromley Collieries (1921) Ltd | Somersetshire | Somersetshire | 1921 | BT31 | 36676 | 173001 |
| Pensford & Bromley Collieries Ltd | Somersetshire | Somersetshire | 1909 | BT31 | 19138 | 106492 |
| Pentre Broughton Colliery Ltd | Moss | Denbighshire | 1914 | BT31 | 21987 | 133407 |
| Pentre Coal & Cannel Co. Ltd | 1869 | BT31 | 1475 | 4497 | ||
| Pentre Collieries & Brickworks Ltd | Graig Trewyddfa | Glamorganshire | 1913 | BT31 | 21383 | 128360 |
| Pentre Saeson Colliery Co. Ltd | 1864 | BT31 | 976 | 1421C | ||
| Pentre United Steam Coal Collieries Co. Ltd | 1868 | BT31 | 1387 | 3886 | ||
| Pentreback Colliery Ltd | 1903 | BT31 | 10240 | 76881 | ||
| Pentremawr Colliery Co. Ltd | 1927 | BT31 | 32879 | 225908 | ||
| Pentremawr Colliery Co. Ltd | Pontyberem | Carmarthenshire | 1890 | BT31 | 15068 | 31256 |
| Pentwyn Black Vein Collieries Co. Ltd | Machen | Glamorganshire | 1908 | BT31 | 12378 | 97861 |
| Pentwyn Black Vein Collieries Co. Ltd | Machen | Glamorganshire | 1911 | BT31 | 20297 | 118530 |
| Pentwyn Coal Agency (Roath) Ltd | 1915 | BT31 | 22758 | 139700 | ||
| Pentwyn Merthyr Colliery Co. Ltd | 1920 | BT31 | 25505 | 163274 | ||
| Penydarren Brick & Coal Co. Ltd | Merthyr Tydfil | Glamorganshire | 1901 | BT31 | 16630 | 69944 |
| Penygaer Colliery Co. Ltd | 1911 | BT31 | 13631 | 116265 | ||
| Penygraig Resolven Colliery Co. Ltd | 1890 | BT31 | 4918 | 32754 | ||
| Penyvan Colliery Co. Ltd | 1874 | BT31 | 1979 | 8452 | ||
| Penzance “Dry Dock” Coal & Trading Co. Ltd | 1892 | BT31 | 5361 | 36792 | ||
| Peoples Coal & Colliery Co. Ltd | 1873 | BT31 | 1896 | 7646 | ||
| Perry Colliery Ltd | Birmingham | Staffordshire | 1875 | BT31 | 2080 | 9257 |
| Peter The Great Coal & Iron Co. Ltd | 1874 | BT31 | 1957 | 8262 | ||
| Peterborough Coal Co. Ltd | 1875 | BT31 | 30867 | 9489 | ||
| Petrographic Coal Processes Ltd | 1935 | BT31 | 33610 | 303375 | ||
| Phoenix Coal & Cannel Co. Ltd | Coed Talon | Flintshire | 1896 | BT31 | 6843 | 48145 |
| Phoenix Coal Co. Ltd | 1858 | BT31 | 329 | 1166 | ||
| Phoenix Iron & Colliery Works Ltd | 1867 | BT31 | 1364 | 3728 | ||
| Phoenix Merthyr Coal Co. Ltd | 1904 | BT31 | 10789 | 81786 | ||
| Phoenix Merthyr Colliery Co. (1907) Ltd | 1907 | BT31 | 12025 | 93920 | ||
| Phoenix Steam Coal Co. Ltd | 1885 | BT31 | 3497 | 21260 | ||
| Picton Point Colliery Co. Ltd | 1861 | BT31 | 552 | 2243 | ||
| Piedmont Coal Co. Ltd | 1891 | BT31 | 4955 | 33089 | ||
| Pilkington Colliery Co. Ltd | 1907 | BT31 | 18196 | 94728 | ||
| Pinder Oaks Colliery Co. Ltd | Bransley | Yorkshire | 1920 | BT31 | 25416 | 162423 |
| Pineville Coal Co. Ltd | 1896 | BT31 | 6923 | 48708 | ||
| Pinxton Collieries Ltd | Pinxton | Derbyshire | 1899 | BT31 | 38251 | 62283 |
| Plas Maen Colliery Co. Ltd | 1907 | BT31 | 11827 | 91864 | ||
| Plas Power Coal Co. Ltd | Wrexham | Denbighshire | 1877 | BT31 | 2365 | 11661 |
| Plas yn Mhowys Coal Cannel & Ironstone Co. Ltd | 1864 | BT31 | 961 | 1327C | ||
| Plashetts Coal & Coke Co. Ltd | Falstone | Northumberland | 1885 | BT31 | 3532 | 21555 |
| Plasycoed Collieries Co. Ltd | Blackwood | Monmouthshire | 1908 | BT31 | 12439 | 98671 |
| Platt Bridge Coal & Cannel Co. Ltd | Wigan | Lancashire | 1861 | BT31 | 578 | 2391 |
| Plean Colliery Co. Ltd | 1895 | BT2 | 2847 | |||
| Plenmeller Collieries Ltd | Plenmeller with Whitfield | Northumberland | 1909 | BT31 | 18768 | 102118 |
| Plumbley Colliery Co. Ltd | 1880 | BT31 | 2600 | 13696 | ||
| Polquhairn Coal Co. Ltd | 1895 | BT2 | 2873 | |||
| Pont y Pridd Merthyr Colliery Company | 1864 | BT31 | 915 | 1093C | ||
| Pontar Dulais Coal & Brick Co. Ltd | 1909 | BT31 | 12973 | 105818 | ||
| Pontardawe Bryncock & Graigola Railway & Collieries Co. Ltd | 1894 | BT31 | 5770 | 40435 | ||
| Pontclown & District Gas Coal Coke etc. Co. Ltd | 1876 | BT31 | 2181 | 10198 | ||
| Pontefract Coal Saving Co. Ltd | Pontefract | Yorkshire | 1890 | BT31 | 4924 | 32815 |
| Pontlash Colliery Co. Ltd | 1892 | BT31 | 5338 | 36584 | ||
| Pontnewynydd Coal & Clay Co. Ltd | 1920 | BT31 | 25754 | 165800 | ||
| Pontyberem Collieries Co. Ltd | Pontyberem | Carmarthenshire | 1878 | BT31 | 2458 | 12541 |
| Pontyberem Collieries Co. Ltd | Pontyberem | Carmarthenshire | 1887 | BT31 | 3792 | 23728 |
| Pontybodkin Cannel Colliery Co. Ltd | Leeswood | Flintshire | 1895 | BT31 | 6561 | 46179 |
| Pontyclerc Anthracite Collieries Ltd | 1923 | BT31 | 28168 | 193358 | ||
| Pontypool Colliery Co. Ltd | 1915 | BT31 | 23059 | 142209 | ||
| Pontypool Colliery Ltd | 1901 | BT31 | 9394 | 69770 | ||
| Pontypool Fire Brick & Coal Co. Ltd | 1873 | BT31 | 1913 | 7816 | ||
| Pool Hayes Bridge Colliery Ltd | Short Heath | Staffordshire | 1924 | BT31 | 28414 | 196577 |
| Poole & Newcastle Coal Co. Ltd | 1898 | BT31 | 15985 | 57409 | ||
| Pooley Hall Colliery Co. Ltd | Tamworth | Worcestershire | 1863 | BT31 | 810 | 577C |
| Port Hunter & Moreton Bay Coal Mining Co South Australia | BT41 | 566 | 3098 | |||
| Port Said International Coaling Co. Ltd | 1884 | BT31 | 3397 | 20357 | ||
| Port Talbot Colliery Co. Ltd | 1899 | BT31 | 8620 | 62838 | ||
| Portarlington Peat Coal Syndicate Ltd | Portarlington | Ireland | 1896 | BT31 | 6656 | 46810 |
| Portland Colliery Co. Ltd | 1893 | BT2 | 2467 | |||
| Portland Gas Light & Coke & Coal Co. Ltd | 1863 | BT31 | 852 | 802C | ||
| Portobello Colliery Co. Ltd | Willenhall | Staffordshire | 1913 | BT31 | 21824 | 132087 |
| Portugal Iron & Coal Co. Ltd | 1863 | BT31 | 794 | 502C | ||
| Potters’ Merchants & Colliery Owners’ Association Ltd | 1905 | BT31 | 11276 | 86220 | ||
| Poulton Le Fylde Gas Coal & Coke Co. Ltd | Lancashire | 1885 | BT31 | 3468 | 20996 | |
| Powell Aberbeeg Colliery Co. Ltd | 1885 | BT31 | 3578 | 21941 | ||
| Powell Duffryn Steam Coal Co. | Aberdare | Glamorganshire | 1864 | BT31 | 30728 | 1487C |
| Powells Gellygaer Colliery Co. Ltd | 1874 | BT31 | 1983 | 8483 | ||
| Powells Lantwit Collieries Ltd | 1871 | BT31 | 1613 | 5458 | ||
| Powell’s Merthyr Navigation Coal Co. Ltd | 1913 | BT31 | 21389 | 128415 | ||
| Powells Tillery Steam Coal Co. Ltd | Abertillery | Monmouthshire | 1903 | BT31 | 33769 | 80067 |
| Powell’s Tillery Steam Coal Co. Ltd | Abertillery | Monmouthshire | 1882 | BT31 | 3052 | 17337 |
| Powhatan Coal Co. Ltd | 1887 | BT31 | 3891 | 24579 | ||
| Poynton Collieries Co. Ltd | 1921 | BT31 | 35812 | 173818 | ||
| Preesgweene Colliery Co. Ltd | Preesgweene | Shropshire | 1880 | BT31 | 2612 | 13797 |
| Premier Coal & Coke Co. Ltd | 1922 | BT31 | 27525 | 185205 | ||
| Premier Coal Co. Ltd | 1895 | BT31 | 6490 | 45703 | ||
| Premier Merthyr Colliery Co. Ltd | 1919 | BT31 | 25243 | 160728 | ||
| Prestatyn Colliery Co. Ltd | 1866 | BT31 | 1296 | 3296 | ||
| Preston Coal Co. Ltd | 1895 | BT31 | 6482 | 45659 | ||
| Preston Coal Co. Ltd | 1899 | BT31 | 8558 | 62321 | ||
| Preston Coal Consumers Co. Ltd | 1874 | BT31 | 2053 | 9012 | ||
| Prestongrange Coal & Fire-Brick Co. Ltd | 1882-1896 | BT2 | 1092 | |||
| Priestman Collieries Ltd | Lintzford | Durham | 1903 | BT31 | 37233 | 79428 |
| Primaeren Colliery Co. Ltd | 1877 | BT31 | 2345 | 11467 | ||
| Primrose Main Colliery Co. Ltd | Barnsley | Yorkshire | 1896 | BT31 | 6888 | 48449 |
| Primrose Main Colliery Co. Ltd | Barnsley | Yorkshire | 1893 | BT31 | 5742 | 40192 |
| Primrose Main Colliery Co. Ltd | Barnsley | Yorkshire | 1903 | BT31 | 10483 | 79096 |
| Prince Esterhazy Collieries Ltd | 1891 | BT31 | 5007 | 33535 | ||
| Prince’s End Colliery Co. Ltd | 1901 | BT31 | 9611 | 71425 | ||
| Princess Royal Colliery Co. Ltd | Parkend | Gloucestershire | 1890 | BT31 | 4947 | 33020 |
| Princeton B.C. Colliery Co. Ltd | 1924 | BT31 | 28465 | 197227 | ||
| Princeton Coal & Land Co. Ltd | 1910 | BT31 | 34920 | 107001 | ||
| Priorfield Collieries Ltd | Bilston | Staffordshire | 1913 | BT31 | 21492 | 129274 |
| Priors Meadow Colliery Ltd | Three Crosses | Glamorganshire | 1940 | BT31 | 37818 | 361153 |
| Provence Coal Mines (Charbonnages De Provence) Ltd | 1913 | BT31 | 21786 | 131766 | ||
| Provincial Coal & Shipping Co. Ltd | 1922 | BT31 | 27081 | 180125 | ||
| Puebla Coal Fields Syndicate Ltd | 1901 | BT31 | 16634 | 70015 | ||
| Pulverised Coal Supply Syndicate Ltd | 1919 | BT31 | 24871 | 157459 | ||
| Puponga Coal & Gold Mining Co. New Zealand Ltd | 1901 | BT31 | 9516 | 70697 | ||
| Pwll Yr Engine Colliery Co. Ltd | 1857 | BT31 | 244 | 793 | ||
| Queen’s Park Coal Co. Ltd | 1927 | BT31 | 29827 | 221518 | ||
| Queensland Land & Coal Co. Ltd | 1881 | BT31 | 2839 | 15609 | ||
| Quinta Colliery Co. Ltd | Preesgwyn | Shropshire | 1865 | BT31 | 1174 | 2545C |
| Quinton Collieries Ltd | 1907 | BT31 | 11919 | 92858 | ||
| Quorndon & Mountsorrel Gas Coke & Coal Co. Ltd | 1937 | BT31 | 33706 | 325823 | ||
| Rabble Chain Colliery Co. Ltd | 1910 | BT31 | 13288 | 110179 | ||
| Rackwood Hill Colliery Ltd | 1929 | BT31 | 30518 | 240489 | ||
| Radcliffe Coal Co. Ltd | Amble | Northumberland | 1882 | BT31 | 2938 | 16408 |
| Radcliffe Colliery Co. Ltd | 1907 | BT31 | 12093 | 94664 | ||
| Radnor Coal Syndicate Ltd | 1913 | BT31 | 21301 | 127749 | ||
| Raglan Collieries Ltd | Heolycyw | Glamorganshire | 1915 | BT31 | 32209 | 140682 |
| Railway & Colliery Accessories Co. Ltd | 1909 | BT31 | 12717 | 102191 | ||
| Railway Brickworks Colliery Co. Ltd | Oldbury | Worcestershire | 1916 | BT31 | 23154 | 142955 |
| Rainford Coal Co. Ltd | St Helens | Lancashire | 1866 | BT31 | 1285 | 3221 |
| Rainstorth Colliery Co. Ltd | Rotherham | Yorkshire | 1907 | BT31 | 12234 | 96200 |
| Ralph Preece Davies & Co. (Coal Merchants) Ltd | 1912 | BT31 | 20894 | 123996 | ||
| Ramcroft Colliery Co. Ltd | Heath | Derbyshire | 1915 | BT31 | 22760 | 139724 |
| Rampton & Leverton Coal Syndicate Ltd | 1924 | BT31 | 28401 | 196428 | ||
| Ramsgate Smackowners Coal Co. Ltd | 1894 | BT31 | 15377 | 40675 | ||
| Randt Coal Mining & Land Co. Ltd | South Africa | 1889 | BT31 | 4347 | 28224 | |
| Rangeworthy Coal & Iron Co. Ltd | 1873 | BT31 | 1823 | 7069 | ||
| Rangeworthy Colliery Co. Ltd | 1885 | BT31 | 3434 | 20704 | ||
| Rapid Coaling Barge Co. (Paul’s System) Ltd | 1894 | BT31 | 5932 | 41747 | ||
| Rapid Coaling Syndicate Ltd | 1897 | BT31 | 7355 | 52127 | ||
| Ravenhead Colliery Co. Ltd | 1871 | BT31 | 1643 | 5671 | ||
| Rawang (F.M.S.) Coal Syndicate Ltd | 1910 | BT31 | 13459 | 112921 | ||
| Rawyards Colliery Co. Ltd | 1888-1897 | BT2 | 1806 | |||
| Redbourn Hill Iron & Coal Co. Ltd | 1872 | BT31 | 14441 | 6405 | ||
| Redhill Colliery Co. Ltd | Huddersfield | Yorkshire | 1914 | BT31 | 22195 | 135102 |
| Retford Coal Syndicate Ltd | 1910 | BT31 | 19430 | 109235 | ||
| Rex Bituminous Coal Co. Ltd | 1886 | BT31 | 3784 | 23650 | ||
| Reynolton Colliery Co. Ltd | 1904 | BT31 | 10619 | 80351 | ||
| Rhondda & Swansea Colliery Co. Ltd | 1884 | BT31 | 3416 | 20528 | ||
| Rhondda Junction Welsh Coal Co. Ltd | 1881 | BT31 | 2757 | 14996 | ||
| Rhondda Merthyr Steam Coal Colliery Co. Ltd | Glamorganshire | 1871 | BT31 | 1669 | 5911 | |
| Rhondda Mountain Steam Coal Co. Ltd | Blaen Gwrach | Glamorganshire | 1870 | BT31 | 1582 | 5201 |
| Rhondda Navigation Colliery Co. Ltd | 1923 | BT31 | 27669 | 186870 | ||
| Rhondda Shipping & Coal Exporting Co. Ltd | 1919 | BT31 | 24726 | 156104 | ||
| Rhondda Steam Coal Co. Ltd | 1923 | BT31 | 28098 | 192495 | ||
| Rhondda Valley Coal & Coke Co. Ltd | 1874 | BT31 | 1971 | 8376 | ||
| Rhos Colliery Co. Ltd | Pantyffynnon | Carmarthenshire | 1905 | BT31 | 17403 | 83829 |
| Rhos Colliery Co. Ltd | Pantyffynnon | Carmarthenshire | 1859 | BT31 | 416 | 1601 |
| Rhos Llantwit Coal Co. Ltd | Caerphilly | Glamorganshire | 1864 | BT31 | 914 | 1087C |
| Rhoshirwaen Coal & Mining Co. Ltd | 1888 | BT31 | 4047 | 25835 | ||
| Rhydydefed Colliery Co. Glamorganshire Ltd | Killay | Glamorganshire | 1856 | BT31 | 1 | 9 |
| Rhymney Coal Co. Ltd | 1889 | BT31 | 15033 | 30185 | ||
| Riddings Colliery Co. Ltd | 1884 | BT31 | 3337 | 19833 | ||
| Ridghill Coal Fire Brick & Tile Manufacturing Co. Ltd | 1874 | BT31 | 2027 | 8790 | ||
| Rigg’s Coal Tippler Ltd | 1900 | BT31 | 9049 | 66930 | ||
| Rigos Anthracite Coal Co. Ltd | 1921 | BT31 | 32495 | 177664 | ||
| Ringwood Coal Co. Ltd | 1888 | BT31 | 4265 | 27660 | ||
| Rio Grande Colliery Ltd | 1876 | BT31 | 2267 | 10848 | ||
| Risca Coal & Iron Co. | 1857 | BT31 | 298 | 1039 | ||
| Risehow Colliery Coking (By Product) Co. Ltd | Flimby | Cumberland | 1919 | BT31 | 36904 | 145908 |
| River Plate Coaling Co. Ltd | 1884 | BT31 | 3294 | 19448 | ||
| River Plate Coaling Co. Ltd | 1884 | BT31 | 3295 | 19458 | ||
| Robert Addie & Sons Collieries Ltd | 1893 | BT2 | 2422 | |||
| Rochdale Borough Colliery Co. Ltd | 1884 | BT31 | 3354 | 19975 | ||
| Roche Colliery Co. Ltd | Batley | Yorkshire | 1874 | BT31 | 1998 | 8584 |
| Roche Percee Colliery Co. Ltd | 1898 | BT31 | 7695 | 54944 | ||
| Rocher Colliery Co. Ltd | Oldham | Lancashire | 1873 | BT31 | 1821 | 7050 |
| Rock Collieries Ltd | Resolven | Glamorganshire | 1904 | BT31 | 10919 | 82874 |
| Rock Colliery Co. Ltd | 1948 | BT31 | 36124 | 449901 | ||
| Rock Llantwit Colliery Co. Ltd | 1902 | BT31 | 9953 | 74259 | ||
| Rock Moor Coal & Coke Co. Ltd | 1894 | BT31 | 5826 | 40884 | ||
| Rock Veins Colliery Ltd | Rudry | Glamorganshire | 1900 | BT31 | 8901 | 65557 |
| Rockwood Collieries Ltd | Taffs Well | Glamorganshire | 1908 | BT31 | 18330 | 96456 |
| Rodez Coal Co. Ltd | 1911 | BT31 | 20161 | 117151 | ||
| Rodez Collieries Ltd | 1890 | BT31 | 4853 | 32201 | ||
| Rogers Coal Co. (Carlisle) Ltd (The) | 1928 | BT31 | 30322 | 233639 | ||
| Rogers Coal Co. Ltd | 1927 | BT31 | 29733 | 219162 | ||
| Roman Ridge Colliery Ltd | Sheffield | Yorkshire | 1913 | BT31 | 21866 | 132414 |
| Rose Bridge & Douglas Bank Collieries Co. Ltd | Ince-in-Makerfield | Lancashire | 1875 | BT31 | 14534 | 9579 |
| Ross & Monmouth Collieries Co. Ltd | 1873 | BT31 | 1846 | 7234 | ||
| Rossington Main Colliery Co. Ltd | Doncaster | Yorkshire | 1911 | BT31 | 35029-3503 | 116849 |
| Roth Son & Co. (Coal Merchants) Ltd | 1945 | BT31 | 39654 | 401277 | ||
| Rother Vale Collieries Ltd | Rotherham | Yorkshire | 1875 | BT31 | 14529 | 9392 |
| Rotherham Masbro’ & Holmes Coal Co. Ltd | Rotherham | Yorkshire | 1856 | BT31 | 200 | 606 |
| Rotherham Silkstone Collieries Ltd | Rotherham | Yorkshire | 1907 | BT31 | 12209 | 95903 |
| Rothes Coal Co. Ltd | 1902 | BT31 | 10019 | 74912 | ||
| Rough Hay Colliery Co. Ltd | 1899 | BT31 | 8800 | 64510 | ||
| Roughdales Brick & Coal Co. Ltd | 1886 | BT31 | 3663 | 22701 | ||
| Roumanian Anthracite Coal Co. Ltd | 1895 | BT31 | 6317 | 44688 | ||
| Roumanian Coal Fields Ltd | 1898 | BT31 | 8127 | 58711 | ||
| Round Green Colliery Co. Ltd | 1907 | BT31 | 18160 | 94246 | ||
| Round House Colliery Co. Ltd | 1906 | BT31 | 11759 | 91193 | ||
| Roundwood & Dalton Colliery Co. Ltd | Rotherham | Yorkshire | 1898 | BT31 | 8211 | 59477 |
| Roundwood Colliery Co. Ltd | Rotherham | Yorkshire | 1889 | BT31 | 4603 | 30193 |
| Roussalka Coal Co. Ltd | 1935 | BT31 | 33614 | 304338 | ||
| Row Moor Colliery Co. Ltd | Dearham | Cumberland | 1905 | BT31 | 11064 | 84151 |
| Rowell Gaslight Coke & Coal Co. Ltd | 1861 | BT31 | 578 | 2390 | ||
| Rowley Station Colliery Co. Ltd | 1874 | BT31 | 2015 | 8710 | ||
| Royal Forester Colliery Co. Ltd | 1872 | BT31 | 1780 | 6722 | ||
| Royal Forester Colliery Co. Ltd | 1861 | BT31 | 592 | 2466 | ||
| Ruabon & North Wales Collieries Co. Ltd | Preesgwyn | Denbighshire | 1875 | BT31 | 2159 | 10032 |
| Ruabon Coal & Coke Co. Ltd | Ruabon | Denbighshire | 1880 | BT31 | 38194 | 14301 |
| Ruabon Coal Co. Ltd | Ruabon | Denbighshire | 1856 | BT31 | 1 | 2 |
| Ruardean Colliery Co. Ltd | 1856 | BT31 | 88 | 312 | ||
| Rudry & Bedwas Colliery & Patent Fuel Co. Ltd | 1861 | BT31 | 587 | 2440 | ||
| Rudry Colliery Co. Ltd | 1897 | BT31 | 7277 | 51481 | ||
| Rudry Merthyr Steam & House Coal Colliery & Fire Brick Co. Ltd | Caerphilly | Glamorganshire | 1881 | BT31 | 2816 | 15432 |
| Rudry Rock Vein Colliery Co. Ltd | 1922 | BT31 | 27348 | 183244 | ||
| Rudstock Collieries Ltd | 1925 | BT31 | 37716 | 208648 | ||
| Rugby Coal & Coke Co. Ltd | 1914 | BT31 | 14226 | 134324 | ||
| Rumney Valley Collieries Co. Ltd | 1880 | BT31 | 2693 | 14487 | ||
| Rushes Coal Co. Ltd | 1898 | BT31 | 8272 | 60038 | ||
| Russian Coal Co. Ltd | 1872 | BT31 | 1798 | 6865 | ||
| Russian Collieries Co. Ltd | 1899 | BT31 | 16124 | 60398 | ||
| Russo British Coaling Co. Ltd | 1917 | BT31 | 23645 | 146991 | ||
| Ryhope Coal Co. Ltd | Sunderland | Durham | 1875 | BT31 | 36748 | 10112 |
| Saint Helens Coal & Clay Co. Ltd | Saint Helens | 1884 | BT31 | 3396 | 20352 | |
| Saint Helens Colliery & Brickworks Co. Ltd | Workington | Cumberland | 1876 | BT31 | 36749 | 10979 |
| Saint Martins Colliery Co. Ltd | 1878 | BT31 | 2459 | 12550 | ||
| Saltwells Colliery Co. Ltd (The) | 1927 | BT31 | 29869 | 222433 | ||
| Samlet Colliery Ltd | Llansamlet | Glamorganshire | 1910 | BT31 | 19277 | 107951 |
| San Cebrian Railway & Collieries Co. Ltd | 1885 | BT31 | 3465 | 20983 | ||
| Sandaken Bay Coal Field Ltd | 1898 | BT31 | 8033 | 57845 | ||
| Sandwell Park Colliery Co. Ltd | West Bromwich | Staffordshire | 1870 | BT31 | 1564 | 5082 |
| Sandwell Park Colliery Co. Ltd | West Bromwich | Staffordshire | 1914 | BT31 | 32180 | 135083 |
| Sandy Coal & Brick Co. Ltd | 1906 | BT31 | 11488 | 88472 | ||
| Sandycroft Brick Tile & Colliery Co. Ltd | 1889 | BT31 | 4401 | 28611 | ||
| Sankey Brook & Ashtons Green Collieries Co. Ltd | 1881 | BT31 | 2751 | 14942 | ||
| Sankey Brook Coal Co. Ltd | 1862 | BT31 | 713 | 89C | ||
| Sansac (South France) Collieries Ltd | 1919 | BT31 | 24981 | 158460 | ||
| Sardinian Collieries & Railway Co. Ltd | 1910 | BT31 | 19486 | 109758 | ||
| Saron Anthracite Collieries Ltd | 1908 | BT31 | 31985 | 96639 | ||
| Sasso Forte Collieries Co. Ltd | 1873 | BT31 | 1858 | 7306 | ||
| Saundersfoot & Tenby Collieries Co. Ltd | 1875 | BT31 | 2171 | 10123 | ||
| Saxony Coal Mining Co. Ltd | 1886 | BT31 | 3676 | 22806 | ||
| Scarborough Sea Borne Coal Co. Ltd | 1902 | BT31 | 9926 | 74018 | ||
| Scarle & Swinderby Coal Exploration Co. Ltd | 1873 | BT31 | 1883 | 7516 | ||
| Schlossberg Colliery Co. Ltd | 1866 | BT31 | 1267 | 3106 | ||
| Scholes Colliery Ltd | Rotherham | Yorkshire | 1891 | BT31 | 4992 | 33408 |
| Schooner Pond Coal Co. Ltd | 1871 | BT31 | 1633 | 5600 | ||
| Scottish Coal Products Ltd | 1928 | BT31 | 32997 | 233849 | ||
| Scottish Collieries of Western Australia Ltd | 1904 | BT31 | 10909 | 82789 | ||
| Scotwell Collieries Ltd | Rowley Regis | Staffordshire | 1923 | BT31 | 28201 | 193773 |
| Sea Coal Co. Ltd | 1893 | BT31 | 31311 | 38713 | ||
| Seaborne Coal Co. Ltd | 1889 | BT31 | 4550 | 29809 | ||
| Seahouses Coal Co. Ltd | 1924 | BT31 | 28498 | 197690 | ||
| Seaton Burn Coal Co. Ltd | Dinnington | Northumberland | 1899 | BT31 | 31698 | 61935 |
| Seaton Delaval Coal Co. Ltd | Seaton Delaval | Northumberland | 1897 | BT31 | 15826 | 53770 |
| Sedgeley Hall Colliery Co. Ltd | Sedgeley | Staffordshire | 1918 | BT31 | 23975 | 149731 |
| Seghill Colliery Ltd | Seghill | Northumberland | 1922 | BT31 | 38847 | 180948 |
| Seven Sisters Colliery Co. Ltd | Cockfield | Durham | 1905 | BT31 | 11223 | 85717 |
| Severn Valley Coal Iron & Clay Co. Ltd | 1882 | BT31 | 2971 | 16688 | ||
| Severn Valley Coal Syndicate Ltd | 1902 | BT31 | 9800 | 73023 | ||
| Severn Valley Colliery Co. Ltd | 1875 | BT31 | 2081 | 9268 | ||
| Seville Collieries Ltd | 1903 | BT31 | 10500 | 79245 | ||
| Shafton Coal Co. Ltd | Shafton | Yorkshire | 1924 | BT31 | 28830 | 202337 |
| Shakespeare Colliery Syndicate Ltd | 1892 | BT31 | 5458 | 37754 | ||
| Sharlston Coal Co. Ltd | 1865 | BT31 | 1121 | 2238C | ||
| Shatterford Coal & Iron Mining Co. | BT41 | 628 | 3421 | |||
| Shaw’s Linfit Lane Coal Co. Ltd | 1891 | BT31 | 5170 | 34940 | ||
| Sheepbridge Coal & Iron Co. Ltd | Sheepbridge | Derbyshire | 1864 | BT31 | 42879 | 1594C |
| Sheffield & Tunsley Coal Co. Ltd | 1870 | BT31 | 1558 | 5041 | ||
| Sheffield Coal Co. Ltd | Sheffield | Yorkshire | 1876 | BT31 | 37470 | 10771 |
| Sheffield High Moor Colliery Co. Ltd | 1873 | BT31 | 1846 | 7231 | ||
| Shelford Corn & Coal Co. Ltd | 1899 | BT31 | 8783 | 64354 | ||
| Shenango Railway & Mercer Coal Co. Ltd | 1880 | BT31 | 2713 | 14626 | ||
| Sheppy Coal Co. Ltd | 1872 | BT31 | 1684 | 6006 | ||
| Sherborne Coal Timber Corn & Cake Co. Ltd | 1889 | BT31 | 14976 | 28688 | ||
| Sheriff Hill Colliery Co. Ltd | 1890 | BT31 | 4680 | 30816 | ||
| Sherwood Colliery Co. Ltd | Sherwood | Nottinghamshire | 1901 | BT31 | 38258 | 69283 |
| Shetlands Coaling Freshwater & Trading Co. Ltd | 1909 | BT31 | 12755 | 102687 | ||
| Shildon Coal Co. Ltd | Shildon | Durham | 1890 | BT31 | 15076 | 31476 |
| Ship Canal Coal & Wagon Co. Ltd | 1894 | BT31 | 5781 | 40512 | ||
| Shipley Coal Co. Ltd | Eglingham | Northumberland | 1900 | BT31 | 8948 | 66016 |
| Shipley Collieries Ltd | Shipley | Derbyshire | 1922 | BT31 | 36923 | 185883 |
| Shipston on Stour Gas Light & Coke & Coal Co. Ltd | 1869 | BT31 | 14410 | 4362 | ||
| Shipston on Stour Steam Locomotive & Coal Co. Ltd | 1880 | BT31 | 2664 | 14188 | ||
| Shire Moor Coal Co. Ltd | Earsdon | Northumberland | 1888 | BT31 | 4295 | 27872 |
| Shirebrook Colliery Ltd | Shirebrook | Derbyshire | 1895 | BT31 | 36822 | 44932 |
| Shireoaks Colliery Co. Ltd | Shireoaks | Nottinghamshire | 1864 | BT31 | 38178 | 1788C |
| Shireoaks Colliery Co. Ltd | Shireoaks | Nottinghamshire | 1864 | BT31 | 942 | 1232C |
| Shirland Collieries Co. Ltd | 1875 | BT31 | 2119 | 9673 | ||
| Shortwood Colliery Co. Ltd | Shortwood | Gloucestershire | 1892 | BT31 | 5243 | 35643 |
| Shrewsbury & Shropshire Coal Co. | 1857 | BT31 | 245 | 798 | ||
| Shrewsbury Colliery Co. Ltd | 1874 | BT31 | 1976 | 8425 | ||
| Shrubbery Colliery Co. Ltd | 1920 | BT31 | 25898 | 167250 | ||
| Sidcup Coal Association Ltd | 1897 | BT31 | 7568 | 53959 | ||
| Silkstone & Dodworth Coal & Iron Co. Ltd | Barnsley | Yorkshire | 1873 | BT31 | 1848 | 7246 |
| Silkstone & Haigh Moor Coal Co. Ltd | 1875 | BT31 | 2089 | 9360 | ||
| Silkstone & Haigh Moor Collieries Ltd | 1887 | BT31 | 3988 | 25359 | ||
| Silkstone Fall Colliery Co. Ltd | Barnsley | Yorkshire | 1871 | BT31 | 1636 | 5618 |
| Silkstone Fall Colliery Co. Ltd | Barnsley | Yorkshire | 1905 | BT31 | 11170 | 85226 |
| Silkstone Main Coal Co. Ltd (1909) | Barnsley | Yorkshire | 1910 | BT31 | 13039 | 106766 |
| Silkstone Main Colliery Co. Ltd | Barnsley | Yorkshire | 1916 | BT31 | 23295 | 144036 |
| Sirhowy Navigation Collieries Ltd | 1925 | BT31 | 29333 | 210140 | ||
| Siston Hill Colliery Co. Ltd | 1890 | BT31 | 4764 | 31500 | ||
| Sitehill Collieries Ltd | nd | BT2 | 3653 | |||
| Skegby Colliery Co. Ltd | 1860 | BT31 | 519 | 2076 | ||
| Skegby Colliery Lime & BrickCo. Ltd | Skegby | Nottinghamshire | 1862 | BT31 | 627 | 2631 |
| Skegness Brick & Coal Co. Ltd | Skegness | Lincolnshire | 1878 | BT31 | 2460 | 12552 |
| Skela (Roumanian) Coal Syndicate Ltd | 1897 | BT31 | 7543 | 53734 | ||
| Skewen Wern Avon Colliery Co. Ltd | Cwmafon | Glamorganshire | 1911 | BT31 | 19841 | 113928 |
| Slough Colliery Co. Ltd | Walsall | Staffordshire | 1907 | BT31 | 18188 | 94581 |
| Smallshaw Coal Co. Ltd | 1875 | BT31 | 2094 | 9409 | ||
| Smelting Reduction Lime & Coal Co. Ltd | 1858 | BT31 | 348 | 1260 | ||
| Smelting Reduction Lime & Coal Co. Ltd | 1858 | BT31 | 348 | 1260 | ||
| Smelting Reduction Lime & Coal Co. Ltd | BT41 | 634 | 3466 | |||
| Smoke Abatement & Coal Saving Association Ltd | 1889 | BT31 | 4593 | 30109 | ||
| Smokeless Coal Co. Ltd | 1906 | BT31 | 11598 | 89566 | ||
| Smokeless Coal Co. Ltd | 1927 | BT31 | 29765 | 219929 | ||
| Sneyd Collieries Ltd | Stoke-on-Trent | Staffordshire | 1900 | BT31 | 37489 | 68090 |
| Sneyd Colliery & Brick Works Co. Ltd | Stoke-on-Trent | Staffordshire | 1881 | BT31 | 2902 | 16126 |
| Snowdown Colliery Ltd | Nonington | Kent | 1908 | BT31 | 18389 | 97340 |
| Snydale Hall Colliery Co. Ltd | Westhoughton | Lancashire | 1875 | BT31 | 2063 | 9102 |
| Solidified Oil Coal Ltd | 1904 | BT31 | 10684 | 80930 | ||
| Somerset Collieries Ltd | Somersetshire | Somersetshire | 1935 | BT31 | 37773 | 307849 |
| Somerset Peat Coal Co. Ltd | 1873 | BT31 | 1809 | 6951 | ||
| Somersetshire Coal & Railway Co. Ltd | 1906 | BT31 | 11376 | 87235 | ||
| Soothillwood Colliery Co. Ltd | Dewsbury | Yorkshire | 1886 | BT31 | 31763 | 23154 |
| South African Coal (Natal) & Gold Reefs (Rhodesia) Ltd | 1903 | BT31 | 10187 | 76399 | ||
| South African Coal (Natal) & Gold Reefs (Rhodesia) Ltd | 1903 | BT31 | 10187 | 76399 | ||
| South African Coal By Products Ltd | 1919 | BT31 | 32332 | 160576 | ||
| South African Oil & Coal Syndicate (Limited) | 1893-1901 | BT2 | 2590 | |||
| South American Cardiff Coal Co. Ltd | 1901 | BT31 | 9393 | 69755 | ||
| South Audley Colliery Co. Ltd | 1873 | BT31 | 1833 | 7148 | ||
| South Buckley Coal & Fire Brick Co. Ltd | Buckley | Flintshire | 1866 | BT31 | 1224 | 2833C |
| South Cambria Collieries Ltd | Pentrych | Glamorganshire | 1911 | BT31 | 20174 | 117298 |
| South Cambria Colliery & Quarry Ltd | 1900 | BT31 | 9133 | 67637 | ||
| South Cannock Colliery Co. Ltd | Landywood | Staffordshire | 1875 | BT31 | 2152 | 9979 |
| South Coal Co. Ltd | 1902 | BT31 | 9963 | 74360 | ||
| South Coast Coaling & Trading Co. Ltd | 1921 | BT31 | 26465 | 173278 | ||
| South Derbyshire Coal Sales Association Ltd (The) | 1936 | BT31 | 36109 | 319668 | ||
| South Eastern Coal Exploration Co. Ltd | 1897 | BT31 | 7389 | 52421 | ||
| South Glamorgan Colliery Co. Ltd | Llantwit Fadre | Glamorganshire | 1918 | BT31 | 24130 | 151033 |
| South Hayling Gas Light & Coal Co. Ltd | 1877 | BT31 | 2311 | 11184 | ||
| South Hetton Coal Co. Ltd | Pittington | Durham | 1898 | BT31 | 36839-3684 | 57257 |
| South Hetton Coal Co. Ltd | Pittington | Durham | 1874 | BT31 | 1997 | 8571 |
| South India Ship Canal Port & Coaling Station Ltd | 1887 | BT31 | 3860 | 24338 | ||
| South Leicestershire Colliery Co. Ltd | Leicestershire | 1875 | BT31 | 36746 | 9792 | |
| South Llanharran Colliery Co. Ltd | 1873 | BT31 | 1923 | 7932 | ||
| South Llantwit Colliery Co. Ltd | 1902 | BT31 | 9870 | 73542 | ||
| South London Coal Co. Ltd | 1923 | BT31 | 27729 | 187653 | ||
| South London Coal Co. Ltd | 1866 | BT31 | 1218 | 2795C | ||
| South London Coal Supply Co. Ltd | 1888 | BT31 | 4214 | 27277 | ||
| South Manchester Coal Supply Co. Ltd | 1899 | BT31 | 8296 | 60253 | ||
| South Medomsley Colliery Co. Ltd | Dipton | Durham | 1890 | BT31 | 4649 | 30561 |
| South Metropolitan Cooperative Coal Co. Ltd | 1866 | BT31 | 1229 | 2865C | ||
| South Normanton Colliery Co. Ltd | Berristow | Derbyshire | 1874 | BT31 | 2059 | 9065 |
| South of England Coal Boring Syndicate Ltd | 1890 | BT31 | 4721 | 31153 | ||
| South of England Coal Co. Ltd | 1898 | BT31 | 8220 | 59578 | ||
| South of France Collieries Ltd | 1890 | BT31 | 4744 | 31332 | ||
| South of Ireland Colliery Co. Ltd | 1863 | BT31 | 810 | 581C | ||
| South Parkfield Colliery Co. Ltd | 1892 | BT31 | 5306 | 36300 | ||
| South Resolven & Cefn Mawr Colliery Co. Ltd | 1865 | BT31 | 1064 | 1913C | ||
| South Rhondda Colliery Co. (1898) Ltd | Llanharan | Glamorganshire | 1898 | BT31 | 16074 | 59351 |
| South Rhondda Colliery Co. Ltd | Llanharan | Glamorganshire | 1891 | BT31 | 5229 | 35499 |
| South Sardinia Collieries Ltd | 1909 | BT31 | 18714 | 101475 | ||
| South Shilbottle Collieries Ltd | 1925 | BT31 | 28909 | 203578 | ||
| South Shropshire Coal Coke Brick & Railway Co. Ltd | 1897 | BT31 | 7280 | 51518 | ||
| South Staffordshire Coal & Iron Syndicate Ltd | 1890 | BT31 | 4671 | 30731 | ||
| South Staffordshire Colliery Co. Ltd | 1873 | BT31 | 1918 | 7875 | ||
| South Stannington Coal Co. Ltd | Stannington | Northumberland | 1924 | BT31 | 28316 | 195318 |
| South Tyne Colliery Co. Ltd | 1856 | BT31 | 49 | 202 | ||
| South Wales Anthracite Colliery Co. Ltd | Ystradgynlais | Glamorganshire | 1898 | BT31 | 15933 | 56378 |
| South Wales Colliery & Shipping Supply Co. Ltd | 1923 | BT31 | 28075 | 192248 | ||
| South Wales Colliery Co. Ltd | Newport | Monmouthshire | 1864 | BT31 | 14349 | 986c |
| South Wales Colliery Tram Works & Engineering Co. Ltd | 1920 | BT31 | 26067A | 168976 | ||
| South Wales Primrose Coal Co. Ltd | Pontardawe | Glamorganshire | 1894 | BT31 | 31788 | 40539 |
| South Wales Smelting & Colliery Co. Ltd | 1873 | BT31 | 1879 | 7476 | ||
| South Wales Smelting & Colliery Co. Ltd | 1873 | BT31 | 1879 | 7476 | ||
| South Wales United Collieries (Groeswen & Caradog Extension) Ltd | 1903 | BT31 | 10348 | 77883 | ||
| South West Lancashire Coal Owners Association Ltd | 1907 | BT31 | 36652 | 93807 | ||
| South Western Colliery Co. Ltd | 1895 | BT31 | 15447 | 43064 | ||
| South Wingfield Colliery Co. Ltd | 1897 | BT31 | 7644 | 54561 | ||
| South Yorkshire Coal & Coke Co. Ltd | 1902 | BT31 | 9721 | 72407 | ||
| South Yorkshire Coal & Iron Co. Ltd | 1873 | BT31 | 1864 | 7346 | ||
| South Yorkshire Wholesale & Retail Coal Co. Ltd | 1876 | BT31 | 2248 | 10710 | ||
| Southam Gas Light Coal & Coke Co. | 1856 | BT31 | 121 | 389 | ||
| Southampton St Collier & Coal Co. Ltd | 1865 | BT31 | 1069 | 1936C | ||
| Southcar Colliery Co. Ltd | 1899 | BT31 | 16317 | 64605 | ||
| Southend & Westcliffe Coal Co. Ltd | 1910 | BT31 | 19728 | 112705 | ||
| Southern Coal Co. of New South Wales Ltd | 1887 | BT31 | 3999 | 25433 | ||
| Southern Counties Stove & Coal Co. Ltd | 1922 | BT31 | 26964 | 178853 | ||
| Southern States Coal Iron & Land Co. Ltd | 1875 | BT31 | 2092 | 9386 | ||
| Southfield Colliery Co. Ltd | 1859 | BT31 | 441 | 1704 | ||
| Southowram Coal Co. Ltd | 1873 | BT31 | 1814 | 6993 | ||
| Southwark Coal Co. Ltd | 1892 | BT31 | 5420 | 37387 | ||
| Sovereign & Belgian Star Coal Co. Ltd | 1875 | BT31 | 2159 | 10030 | ||
| Sovereign Coal Co. Ltd | 1868 | BT31 | 1438 | 4235 | ||
| Spalding Coal Co. Ltd | 1866 | BT31 | 1313 | 3391 | ||
| Spanish Coal Mining Syndicate Ltd | 1919 | BT31 | 25079 | 159319 | ||
| Spanish Coal Mining Syndicate Ltd | 1919 | BT31 | 25079 | 159319 | ||
| Speech House Collieries Co. Ltd | 1892 | BT31 | 5465 | 37813 | ||
| Speech House Hill Colliery Co. Ltd | 1869 | BT31 | 1484 | 4550 | ||
| Speech House Main Collieries Co. Ltd | 1899 | BT31 | 8657 | 63141 | ||
| Speech House Main Colliery Co. Ltd | 1898 | BT31 | 8078 | 58238 | ||
| Spinkhill Colliery Co. Ltd | 1903 | BT31 | 10140 | 76000 | ||
| Spinners Coal Co. Ltd | 1874 | BT31 | 2045 | 8928 | ||
| Spittal Colliery Ltd | 1916 | BT31 | 23398 | 144835 | ||
| Spitzbergen Coal & Trading Co. Ltd | 1904 | BT31 | 17239 | 81000 | ||
| Spon Lane Colliery Co. Ltd | West Bromwich | Staffordshire | 1875 | BT31 | 2068 | 9140 |
| Spoor Brothers Colliery Ltd | Shildon | Durham | 1922 | BT31 | 27449 | 184352 |
| Spring Vale Coal Coke & Fire Clay Co. Ltd | 1874 | BT31 | 1936 | 8056 | ||
| Springbank Colliery Co. Ltd | 1889-1905 | BT2 | 1850 | |||
| Springfield Colliery Ltd | 1900 | BT31 | 9300 | 69132 | ||
| St Austell District Coal Co. Ltd | St Austell | Cornwall | 1923 | BT31 | 27986 | 191054 |
| St Dewi Colliery Co. Ltd | 1914 | BT31 | 22229 | 135393 | ||
| St Helens Collieries Co. Ltd | St Helens | Lancashire | 1876 | BT31 | 38688 | 10750 |
| St Julian’s Coal & Haulage Co. Ltd | 1914 | BT31 | 14234 | 135082 | ||
| St Thomas Dock Engineering & Coaling Co. Ltd | 1909 | BT31 | 18719 | 101521 | ||
| St Vincent Colliery (Forest of Dean) Ltd | Coleford | Gloucestershire | 1901 | BT31 | 9694 | 72133 |
| Stafford & Eccleshall Coal Co. Ltd | 1866 | BT31 | 1206 | 2738C | ||
| Stafford Colliery Co. Ltd | 1868 | BT31 | 1391 | 3916 | ||
| Staffordshire Collieries Co. Ltd | 1874 | BT31 | 1947 | 8168 | ||
| Staincross Colliery Co. Ltd | Barnsley | Yorkshire | 1916 | BT31 | 32222 | 143415 |
| Stalbridge Gas Coal & Coke Co. Ltd | 1864 | BT31 | 30727 | 1461C | ||
| Stamford Coal & Fuel Co. Ltd | 1873 | BT31 | 1900 | 7678 | ||
| Stanbury Coal Iron & Lead Mining Co. Ltd | Keighley, Stanbury | Yorkshire | 1861 | BT31 | 570 | 2344 |
| Stanbury Coal Iron & Lead Mining Co. Ltd | Haworth | Yorkshire | 1861 | BT31 | 570 | 2344 |
| Stand Lane Colliery Co. Ltd | 1874 | BT31 | 1926 | 7952 | ||
| Standard Coal Supply Co. Ltd | 1921 | BT31 | 32471 | 173204 | ||
| Stanford Le Hope Coal Co. Ltd | 1924 | BT31 | 28824 | 202257 | ||
| Stanhope Silkstone Collieries Ltd | 1876 | BT31 | 2178 | 10179 | ||
| Stanley Coal Co. Ltd | Dewsbury | Yorkshire | 1868 | BT31 | 30768 | 3946 |
| Stanley Kilburn Colliery Co. Ltd | 1873 | BT31 | 1921 | 7904 | ||
| Stannington Coal Co. Ltd | 1920 | BT31 | 25494 | 163162 | ||
| Stannington Colliery Co. Ltd | 1912 | BT31 | 14000 | 124890 | ||
| Staple Hill Colliery Ltd | Staple Hill | Gloucestershire | 1906 | BT31 | 11464 | 88201 |
| Stapleford Colliery Co. Ltd | 1871 | BT31 | 1586 | 5236 | ||
| Stapleton Coal & Iron Co. Ltd | 1873 | BT31 | 1831 | 7135 | ||
| Star Coal Co. Ltd | 1892 | BT31 | 5440 | 37585 | ||
| Star Industrial & Provident Coal Society Ltd | 1886 | BT31 | 3739 | 23302 | ||
| Star Navigation Coal & Fuel Co. Ltd | 1914 | BT31 | 22285 | 135876 | ||
| Staunton Colliery Sanitary Pipe & Fire Brick Co. Ltd | 1894 | BT31 | 5974 | 42131 | ||
| Staveley Silkstone Colliery Co. Ltd | 1894 | BT31 | 6033 | 42632 | ||
| Steam Cutter Coal & Ice Co. Ltd | 1906 | BT31 | 17960 | 91468 | ||
| Steam Mills Colliery Co. Ltd | Cinderford | Gloucestershire | 1922 | BT31 | 27242 | 182082 |
| Stirlingshire Coal & Iron Exploration Syndicate Ltd | 1893 | BT31 | 5617 | 39123 | ||
| Stockingford Colliery Co. Ltd | Nuneaton | Worcestershire | 1869 | BT31 | 1442 | 4264 |
| Stockingford Colliery Co. Ltd | Nuneaton | Worcestershire | 1903 | BT31 | 17107 | 78675 |
| Stonehall Colliery Ltd | Stonehall | Kent | 1913 | BT31 | 21588 | 130032 |
| Storforth Lane Colliery Co. Ltd | 1877 | BT31 | 2383 | 11838 | ||
| Stour Valley Coal & Iron Co. Ltd | Rowley Regis | Worcestershire | 1873 | BT31 | 1907 | 7757 |
| Stourport Gas Coal & Coke Co. Ltd | 1865 | BT31 | 14376 | 2436c | ||
| Strafford Collieries Co. Ltd | Barnsley | Yorkshire | 1868 | BT31 | 1413 | 4079 |
| Strafford Collieries Co. Ltd | Barnsley | Yorkshire | 1891 | BT31 | 31250 | 34208 |
| Stretton Landsale Colliery Co. Ltd | 1884 | BT31 | 3322 | 19704 | ||
| Stubley Collieries Ltd | Dronfield | Derbyshire | 1900 | BT31 | 9261 | 68819 |
| Studley Gas Coal & Coke Co. Ltd | 1864 | BT31 | 14358 | 1310c | ||
| Suisted’s Patent Coal Elevator Ltd | 1909 | BT31 | 19010 | 105091 | ||
| Sulla Colliery Co. Ltd | Lydney | Gloucestershire | 1913 | BT31 | 21463 | 129032 |
| Summerhill Colliery Co. Ltd | Tipton | Staffordshire | 1906 | BT31 | 11400 | 87503 |
| Sun Coal Co. Ltd | 1876 | BT31 | 2261 | 10812 | ||
| Sunderland Coal Trade Insurance Association | 1876 | BT31 | 2196 | 10299 | ||
| Sunningdale, Sunninghill & Ascot Gas Light Coal & Coke Co. Ltd | 1877 | BT31 | 2349 | 11506 | ||
| Surrey & Sussex Coal Co. Ltd | 1889 | BT31 | 31188 | 30242 | ||
| Sussex Coal Co. Ltd | 1927 | BT31 | 29898 | 223106 | ||
| Sutton Colliery Co. Ltd | 1895 | BT31 | 6144 | 43521 | ||
| Sutton Heath & Lea Green Collieries Co. Ltd | St Helens | Lancashire | 1890 | BT31 | 15084 | 31838 |
| Sutton Heath & Lea Green Collieries Ltd | St Helens | Lancashire | 1920 | BT31 | 38359 | 166666 |
| Sutton Manor Collieries Ltd | St Helens | Lancashire | 1904 | BT31 | 37236 | 82333 |
| Swadlincote Colliery Co. Ltd | 1880 | BT31 | 2643 | 14032 | ||
| Swan Banks Coal & Brick Co. Ltd | Halifax | Yorkshire | 1866 | BT31 | 30750 | 3137 |
| Swan Lane Collieries Ltd | Hindley | Lancashire | 1910 | BT31 | 19624 | 111358 |
| Swansea & Neath Collieries Co. Ltd | 1873 | BT31 | 1914 | 7832 | ||
| Swansea & Resolven Coal Co. Ltd | 1876 | BT31 | 2276 | 10927 | ||
| Swansea Anthracite Colliery Co. Ltd | Gwys | Glamorganshire | 1883 | BT31 | 3109 | 17846 |
| Swansea Bituminous Colliery & Fire Clay Co. Ltd | 1871 | BT31 | 1652 | 5766 | ||
| Swansea Coal Breaking & Sizing Co. Ltd | 1916 | BT31 | 23183 | 143156 | ||
| Swansea Coal Trust Ltd | 1903 | BT31 | 10144 | 76040 | ||
| Swansea Collieries Co. | Fforestfach | Glamorganshire | 1873 | BT31 | 1865 | 7364 |
| Swansea Collieries Co. Ltd | 1873 | BT31 | 1865 | 7364 | ||
| Swansea Navigation Collieries Ltd | Gorseinon | Glamorganshire | 1909 | BT31 | 37262 | 103321 |
| Swansea Townhill Colliery Co. Ltd | 1906 | BT31 | 11771 | 91294 | ||
| Swansea Valley Anthracite Collieries Co. Ltd | 1903 | BT31 | 10165 | 76216 | ||
| Swansea Valley Steam Colliery Co. Ltd | 1874 | BT31 | 1934 | 8027 | ||
| Swanwick Collieries Ltd | Alfreton | Derbyshire | 1943 | BT31 | 37389 | 380683 |
| Sydney & Louisburg Coal & Railway Co. Ltd | 1880 | BT31 | 2634 | 13973 | ||
| Sydney & Melbourne Colliery Co. Ltd | 1890 | BT31 | 4867 | 32316 | ||
| Sydney Harbour Collieries Ltd | 1894 | BT31 | 15370 | 40367 | ||
| Sydney Harbour Colliery Ltd | 1910 | BT31 | 19389 | 108863 | ||
| Sylen Mountain Colliery Co. Ltd | 1904 | BT31 | 10592 | 80114 | ||
| Synthetic Coal Syndicate Ltd | 1918 | BT31 | 24175 | 151404 |
