Operators
Companies and organisations that worked published mines, where that history is known.
75 operators beginning with D, of 1903.
| Operator | Mines | Active | Regions | Commodities |
|---|
| D. Armstrong |
1 |
1900–1905 |
Northumberland |
Coal |
| D. H. and J. Newall |
1 |
|
Dumfries and Galloway |
Granite |
| D. J. Griffiths |
1 |
1949–1958 |
Carmarthenshire |
Coal |
| D. Landale junior and Company |
1 |
from 1855 |
Fife |
Coal |
| D. R. Llewellyn's Ynisarwed Collieries Company Limited |
2 |
1913–1947 |
Neath Port Talbot |
Coal |
| Dalmellington Iron Company |
7 |
1835–1935 |
East Ayrshire, South Ayrshire |
Coal, Iron |
| Dalradian Resources |
1 |
from 2009 |
County Tyrone |
Gold |
| Dalton Main Collieries Limited |
2 |
1899–1947 |
South Yorkshire |
Coal |
| Dalzell (Moor Row) Mining Company |
1 |
1924–1926 |
Cumbria |
Iron |
| Daniel Watney |
1 |
|
Carmarthenshire |
Coal |
| The Darbishire Company |
2 |
1862–1979 |
Gwynedd |
Granite, Slate |
| Dartmoor Mining and Smelting Company |
1 |
from 1780 |
Devon |
Tin |
| Daubeny and Scobell |
1 |
to 1900 |
Somerset |
Coal |
| David Bromilow and Company |
1 |
1866–1867 |
Merseyside |
Coal |
| David Davis and Sons |
5 |
1851–1935 |
Rhondda Cynon Taf |
Coal |
| David Davis of Blaengwawr |
1 |
1843–1866 |
Rhondda Cynon Taf |
Coal |
| David Lloyd and Company |
1 |
1871–1883 |
Carmarthenshire |
Coal |
| David Lloyd Jones |
1 |
1878–1891 |
Powys |
Slate |
| David Mushet |
1 |
1841–1847 |
Gloucestershire |
Coal |
| David Owen |
1 |
1888–1926 |
Vale of Glamorgan |
Limestone |
| David Pugh |
1 |
1880–1900 |
Carmarthenshire |
Coal |
| David W. Lewis |
1 |
1954–1958 |
Neath Port Talbot |
Coal |
| Davis' British Rhondda Steam Coal Company |
1 |
1890–1905 |
Neath Port Talbot |
Coal |
| Davison, Easton, Anderson, Stodart, Bates & Henderson |
1 |
1854–1865 |
Northumberland |
Coal |
| Deans and Moore |
2 |
1866–1900 |
East Lothian |
Coal, Fireclay |
| Delabole Slate |
1 |
from 1999 |
Cornwall |
Slate |
| Denaby Main Colliery Company |
1 |
from 1863 |
South Yorkshire |
Coal |
| Denend Coal Company |
1 |
to 1895 |
Fife |
Coal |
| Derwent Iron Company |
1 |
1845–1864 |
County Durham |
Coal, Fireclay |
| Desborough Industrial and Provident Co-operative Society |
1 |
1905–1920 |
Northamptonshire |
Iron |
| Desford Coal Company |
2 |
1900–1947 |
Leicestershire |
Coal |
| Devon Frances Mine |
1 |
1865–1872 |
Devon |
Copper |
| Devonshire Great Consolidated Copper Mining Company |
3 |
1845–1903 |
Devon |
Arsenic, Copper, Tin |
| Digby Colliery Company |
4 |
1866–1947 |
Nottinghamshire |
Coal |
| Dinnington Main Colliery Company |
1 |
1900–1947 |
South Yorkshire |
Coal |
| Dolgoch Slate and Slab Company Limited |
1 |
1872–1884 |
Gwynedd |
Slate |
| Doncaster Amalgamated Collieries Ltd |
3 |
1937–1947 |
South Yorkshire |
Coal |
| Doncaster Collieries Association |
1 |
1923–1947 |
Nottinghamshire |
Coal |
| Donibristle Colliery Co. |
1 |
|
Fife |
Coal |
| Donisthorpe Colliery Company Limited |
1 |
1903–1947 |
Leicestershire |
Coal |
| Dorman, Long and Company |
18 |
1923–1964 |
North Yorkshire, County Durham, West Yorkshire |
Coal, Ironstone, Iron |
| Doura Coal & Fireclay Co. Ltd |
1 |
|
North Ayrshire |
Coal, Fireclay |
| Dowgang Mine Co. |
1 |
1880–1900 |
Cumbria |
Lead, Zinc |
| Dowlais Collieries Ltd |
2 |
1927–1956 |
Merthyr Tydfil |
Coal |
| Dowlais Iron Company |
19 |
1853–1924 |
Merthyr Tydfil, Caerphilly, Rhondda Cynon Taf |
Coal |
| Dragon Coal Corporation Limited |
1 |
1997–2000 |
Carmarthenshire |
Coal |
| Drakewalls Mining Company |
1 |
1860–1898 |
Cornwall |
Arsenic, Copper, Tin |
| Dron & Company |
1 |
1916–1921 |
North Lanarkshire |
Coal |
| Duchy of Cornwall |
1 |
|
Somerset |
Limestone |
| Dudman Group |
1 |
1993–1999 |
West Sussex |
Chalk |
| Duffryn Colliery Company |
1 |
1932–1935 |
Blaenau Gwent |
Coal |
| Duffryn Rhondda (1929) Limited |
1 |
1929–1930 |
Neath Port Talbot |
Coal |
| Duffryn Rhondda Colliery Company Limited |
1 |
1903–1917 |
Neath Port Talbot |
Coal |
| Duffryn Rhondda Company |
1 |
to 1903 |
Neath Port Talbot |
Coal |
| Duffryn Tawe Collieries Limited |
2 |
1915–1928 |
Neath Port Talbot |
Coal |
| Duke of Buccleuch |
3 |
1680–1905 |
Dumfries and Galloway |
Lead, Zinc, Coal |
| Duke of Devonshire |
5 |
1760–1881 |
North Yorkshire, Staffordshire |
Lead, Barite, Copper |
| Duke of Leeds |
1 |
from 1785 |
Cornwall |
Copper, Lead, Tin |
| Duke of Newcastle |
1 |
from 1854 |
Nottinghamshire |
Coal |
| Duke of Northumberland |
1 |
1820–1829 |
Northumberland |
Coal |
| Duke of Richmond |
1 |
1841–1846 |
Moray |
Iron, Manganese |
| Duke of Somerset |
1 |
1829–1858 |
Devon |
Granite |
| The Dukes of Bedford |
1 |
1539–1900 |
Devon |
Copper, Pyrite |
| Dukes of Sutherland |
2 |
1811–1914 |
Highland, Staffordshire |
Coal |
| Duncan & Co. |
1 |
1841 |
Caerphilly |
Coal |
| Dundalk Silver Lead and Copper Mining Company |
1 |
1859–1869 |
County Armagh |
Lead, Silver |
| Dunhouse Quarry Company |
1 |
|
Dumfries and Galloway |
Sandstone |
| Dunkerton Collieries Ltd |
1 |
|
Somerset |
Coal |
| Dunn Brothers |
1 |
to 1900 |
Nottinghamshire |
Coal |
| Dyffryn Mining Company |
1 |
1885–1894 |
Gwynedd |
Manganese |
| The Dylife Mining Co. Ltd |
1 |
1858–1873 |
Powys |
Copper, Lead, Silver |
| Dynevor Coal Company |
2 |
1869–1880 |
Neath Port Talbot |
Coal |
| Dynevor Duffryn Colliery Company |
2 |
1876–1894 |
Neath Port Talbot |
Coal |
| D’Arcy Chaytor |
1 |
1920–1947 |
Warwickshire |
Coal |
| D’Ersby and Gwydyr Company |
1 |
from 1860 |
Conwy |
Lead, Zinc |
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