Operators

Companies and organisations that worked published mines, where that history is known.

94 operators beginning with A, of 1999.

Operator	Mines	Active	Regions	Commodities
A syndicate of North Staffordshire pottery manufacturers	1	1920–1947	Staffordshire	Coal
A. Alton	1	1880–1890	North Yorkshire	Flagstone, Sandstone
A. and G. Anderson	1	1905–1947	North Lanarkshire	Coal, Ironstone
A. G. Moore and Co. Ltd	2	1894–1947	Midlothian, South Lanarkshire	Coal
A. Tylor and Company	1	1873–1894	Rhondda Cynon Taf	Coal
A.D. Mining Company Ltd	1	1873–1878	North Yorkshire	Lead
A.R. Williams and David W. Lewis	1	1952–1954	Neath Port Talbot	Coal
A.S. Macharg	1	1932–1934	South Lanarkshire	Coal, Fireclay
Aberbeeg Colliery Company	1	1860–1865	Blaenau Gwent	Coal
Abercorris Slate and Slab Company Limited	1	1883–1887	Gwynedd	Slate
Abercrave and International Collieries Ltd	2	1940–1947	Powys	Coal
Abercrave Colliery Company	2	1872–1925	Powys	Coal
Abercwmeiddaw Slate Quarry Company	1	from 1876	Gwynedd	Slate
Aberdare Iron Company	1		Rhondda Cynon Taf	Coal
Aberdare Merthyr Colliery Company	1	1856–1895	Rhondda Cynon Taf	Coal
Aberdare Works and Collieries Company	1	from 1896	Rhondda Cynon Taf	Coal
Aberdovey Slate Company	1	1863–1879	Gwynedd	Slate
Abergynolwyn Slate & Slab Company Limited	1	1911–1946	Gwynedd	Slate
Abernant Colliery Company	1	1887–1902	Bridgend	Coal
Aberthaw and Bristol Channel Portland Cement Company	2	1913–1983	Vale of Glamorgan	Limestone
Aberthaw and Rhoose Point Portland Cement and Lime Co.	1	1913–1919	Vale of Glamorgan	Limestone
Abraham Darby & Co	1	1844–1882	Blaenau Gwent	Iron
Abram Coal Company	1	to 1933	Greater Manchester	Coal
Abram Collieries Ltd	1	1933–1947	Greater Manchester	Coal
Acomb Coal Co. Ltd	2	1919–1946	Northumberland	Coal
Adam Mason	1		Ceredigion	Copper, Lead, Silver
Addie and Sons, Limited	2	1855–1940	Falkirk, North Lanarkshire	Coal, Fireclay, Iron
The Admiralty	1	1888–1956	Aberdeenshire	Granite
Aggregate Industries	4	from 2006	Devon, Highland, Leicestershire	Granite, Aplite, Limestone
Aikenhead Collieries Ltd	1	1910–1918	Glasgow	Coal
Ailsa Craig Granite Company	1	1907	South Ayrshire	Granite
Air Ministry / RAF	1	1936–1995	Wiltshire	Limestone
Airedale Collieries Ltd	2	1919–1947	West Yorkshire	Coal
Alba Mineral Resources	1	from 2010	Gwynedd	Copper, Gold
Albert Thomas	1	1979–1992	Neath Port Talbot	Coal
Albion Stone plc	1	from 1979	Dorset	Limestone
Albright & Wilson	1	1941–1969	South Gloucestershire	Celestine
Aldridge Brick, Tile & Coal Co. Ltd	1	1920–1930	Staffordshire	Coal, Ironstone
Aldridge Colliery Co. Ltd	1	1874–1930	Staffordshire	Coal, Ironstone
Alexander M. Graham	1	1885–1898	West Lothian	Coal
Alexander Telfer	1	1734–1755	Dumfries and Galloway	Lead, Zinc
Alexander Whaley and Company	1	1807–1862	County Durham	Lead, Silver
Alexandra Slate Company Ltd	1	1863–1914	Gwynedd	Slate
Alfred Consols	1	1846–1862	Cornwall	Copper, Tin
Alfred McAlpine	2	1980–2007	Cumbria, Gwynedd	Slate
Allendale Metalliferous Mining Company	1	from 1950	Northumberland	Lead, Zinc
Allerdale Coal Company Limited	2	1883–1947	Cumbria	Coal, Fireclay, Ironstone
Alloa Coal Company	4	1894–1948	Clackmannanshire, Stirling	Coal, Fireclay
Alltgoed Consols	1	1851–1860	Gwynedd	Slate
Alport Mining Company	1	1766–1852	Derbyshire	Lead
Alston Moor Mining Company	1		Cumbria	Lead
Altham Colliery Company	1		Lancashire	Coal
Alvecote Colliery Co. Ltd	1		Warwickshire	Coal
Amalgamated Aggregates	1	from 1976	Vale of Glamorgan	Limestone
Amalgamated Anthracite Collieries Ltd	21	1923–1947	Carmarthenshire, Neath Port Talbot, Powys	Coal, Anthracite, Fireclay
Amalgamated Denaby Collieries Ltd	2	1936–1947	South Yorkshire	Coal
Amalgamated Slate Association	1	1918–1931	Gwynedd	Slate
Amey Roadstone Corporation	1	to 1978	Gwynedd	Granite
Amies family	1	from 1986	Gwynedd	Copper
Amman Iron Company	1	1899	Neath Port Talbot	Coal
Amman Valleys Collieries Limited	1	1908–1929	Carmarthenshire	Coal
Ammanford Colliery Company Limited	1	1890–1891	Carmarthenshire	Coal
Andrew Knowles and Sons	4	1823–1939	Greater Manchester	Coal
Anglesey Masonry	1		Anglesey	Limestone
Anglo American plc	1	from 2020	North Yorkshire	Polyhalite
Anglo-Austral Mines Ltd	2	1948–1962	County Durham, Renfrewshire	Barite, Fluorspar, Lead
Anglo-Westphalian Coal Syndicate	1	1911–1918	Kent	Coal
Annesley Colliery Company	1	1865–1924	Nottinghamshire	Coal
Ansley Hall Colliery Company	1	1874–1947	Warwickshire	Coal
Anthracite Mining Ltd	1	from 1996	Neath Port Talbot	Coal
Anthracite Syndicate Limited	1	1893	Powys	Coal
Antrim Iron Ore Company	1	1868–1913	County Antrim	Bauxite, Iron
Apedale Iron Company	1	1869	Staffordshire	Coal
Appleby-Frodingham Steel Company	1	1934–1981	Lincolnshire	Iron
Archibald Finnie and Sons	2	1857–1900	East Ayrshire, North Ayrshire	Coal, Fireclay
Archibald Hood	1	1856–1890	Midlothian	Coal
Archibald Russell Ltd	2	1904–1947	North Lanarkshire, Stirling	Coal
Arden Coal Co., Ltd	1		South Lanarkshire	Coal
Arkendale Mining Company	1	1882–1890	North Yorkshire	Lead
Arkengarthdale Lead Mining Company	1	from 1870	North Yorkshire	Lead, Slate
Arkwright Colliery Company	1	1938–1947	Derbyshire	Coal
Arley Colliery Co., Ltd.	1	1901–1946	Warwickshire	Coal
Armstrongs Aggregates	1	from 2014	Cumbria	Granite
Arthur Burr	1	1906–1914	Kent	Coal
Arthur Woolf	1	from 1819	Cornwall	Arsenic, Copper, Pyrite
Ashington Coal Company	3	1894–1947	Northumberland	Coal
Askern Coal & Iron Co. Ltd	1	1911–1947	South Yorkshire	Coal
Assheton Smith	1	1787–1969	Gwynedd	Slate
Associated Portland Cement Manufacturers	2	1900–1990	Essex, Kent	Chalk
Astley & Tyldesley Collieries Company	1	1900–1929	Greater Manchester	Coal
Astley and Tyldesley Coal and Salt Company	2	1866–1900	Greater Manchester	Coal
Athol G. Allen (Stockton) Ltd	1	1937–1985	County Durham	Barite, Lead
Awsworth Colliery Co.	1	1890–1896	Nottinghamshire	Coal
Awsworth Iron Co.	1	1857–1890	Nottinghamshire	Coal