Operators

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

96 operators beginning with H, of 1903.

Operator	Mines	Active	Regions	Commodities
H G Clarke	1	from 1925	Bedfordshire	Chalk
H. F. Caddell	1	1854–1866	East Lothian	Coal
H. Harkewitz / Threlkeld Granite Company	1	1870–1936	Cumbria	Barite, Granite, Lead
Hafan and Henfwlch Company	1	1853–1854	Ceredigion	Copper, Lead, Zinc
Halamanning Adventurers	1	1794	Cornwall	Copper, Tin
Halkyn District United Mines	2	1931–1987	Flintshire	Lead, Zinc, Limestone
Hall Harber & Thomas Ltd	2	1924–1934	Gwynedd, Powys	Slate
Ham & Doulting Stone Co. Ltd	1		Somerset	Limestone
Hamilton, McCulloch and Company	1	1867–1925	South Lanarkshire	Coal
Hamstead Colliery Company	1	1875–1930	West Midlands	Coal
Hanbury family of Pontypool	1	1600–1800	Blaenau Gwent	Coal, Ironstone
Handel Cossham	2	1851–1890	Bristol, South Gloucestershire	Coal
Hanson	2	to 2001	Gwynedd, Kent	Granite, Limestone
Harcourt Powell	1	1850–1870	Pembrokeshire	Coal
Hardshins Mining Company Limited	1	to 1890	Cumbria	Lead
Hardwick Colliery Company	3	1840–1947	Derbyshire	Coal
Hargreaves Collieries Ltd	2	1933–1941	Lancashire	Coal
Hargreaves Quarries Ltd	1	1980–1989	County Durham	Whinstone
Hargreaves Services plc	1	2007–2013	South Yorkshire	Coal
Harker and Co.	1	1855	North Yorkshire	Coal
Harris and Pearson	1	from 1880	West Midlands	Coal, Fireclay
Harris's Navigation Steam Coal Company	1	1872–1893	Merthyr Tydfil	Coal
Harriseahead Colliery Company Limited	1	from 1905	Staffordshire	Coal
Harrison, Ainslie and Co	1		Cumbria	Iron
Hartley Main Collieries Ltd	3	1929–1947	Northumberland, Tyne and Wear	Coal, Fireclay
Harton Coal Company	5	1869–1947	Tyne and Wear, County Durham	Coal, Limestone
Hartsop Mines Limited	1	1941–1954	Cumbria	Lead, Silver
Harvey & Co of Hayle	1	1810–1848	Cornwall	Copper, Tin
Harvey Stone	1		Somerset	Limestone
Haswell Coal Company	1	from 1835	County Durham	Coal
Hatfield Main Colliery Company	1	1911–1927	South Yorkshire	Coal
Haughty Huxham	1	1859–1862	Rhondda Cynon Taf	Coal
Haunchwood Colliery Company Limited	1	1881–1947	Warwickshire	Coal
Hawley and Bridgewood	1		Staffordshire	Coal
Haywood Colliery Co. Ltd	1	1886–1888	Gloucestershire	Coal
Hazlerigg and Burradon Coal Co. Ltd	2	1929–1947	Tyne and Wear	Coal, Fireclay
Heath, Evans and Co.	1	to 1886	Rhondda Cynon Taf	Coal
Hedley and Bell	1		County Durham	Coal
Hedley Bros. & Partners	1	1850–1910	County Durham	Coal, Fireclay
Hedworth Barium Company Limited	3	1914–1930	County Durham, Cumbria, East Ayrshire	Barite, Lead
Heidelberg Materials	1	from 2023	North Yorkshire	Lead, Limestone
Heidelberg Materials UK	1		Somerset	Limestone
Henderson's Welsh Anthracite Collieries Limited	6	1923–1950	Carmarthenshire, Neath Port Talbot	Coal, Anthracite, Fireclay
Henderson, Wallace and Co.	1	1866–1889	Fife	Coal, Fireclay, Ironstone
Hendreddu Slate Quarry Company	1	1868–1876	Gwynedd	Slate
Hendreforgan Colliery Company	1	1861–1879	Neath Port Talbot	Coal
Hendreladais Colliery Company	1	from 1887	Powys	Coal
Hendy Merthyr Colliery Company	1	1941–1947	Swansea	Coal
Henllys Anthracite Company Limited	1	1913–1918	Neath Port Talbot	Coal
Henry Briggs, Son and Company Limited	2	1897–1939	West Yorkshire	Coal
Henry Conn	1	1852–1854	County Armagh	Lead, Silver
Henry Crawshay & Co. Ltd	4	1880–1947	Gloucestershire, Forest of Dean	Coal
Henry Davis Pochin	1	from 1880	Staffordshire	Coal
Henry Herbert	1	1890–1924	Carmarthenshire	Anthracite
Henry Lodge Ltd	1	1909–1947	South Yorkshire	Coal
Henry Phipps	1	1872–1883	Gloucestershire	Coal
Henry Stobart & Co. Ltd	3	1900–1947	County Durham	Coal
Herbert Fletcher	1	1885–1887	Greater Manchester	Coal
Hetton Coal Company	2	1825–1911	County Durham, Tyne and Wear	Coal, Fireclay
Heworth Coal Company Ltd	1		Tyne and Wear	Coal
Hickleton Main Coal Company	1	1892–1947	South Yorkshire	Coal
High Rake Mining Company	1	1834–1853	Derbyshire	Lead
Highgate Colliery Co. Ltd	1	1916–1946	South Yorkshire	Coal
Highland Fund Ltd / Brora miners' co-operative	1	1961–1974	Highland	Coal
Highley Mining Company	4	1878–1947	Shropshire	Coal, Ironstone
Hilton House and Red Moss Coal Company	1	1876–1928	Lancashire	Coal
Hilton Main and Holly Bank Collieries Ltd	1	1932–1946	Staffordshire	Coal, Ironstone
Hinchcliffe Brothers and Co., Ltd.	1	from 1930	County Durham	Fluorspar
Hingston Down Quarry Co Ltd	1	from 1924	Cornwall	Copper, Granite, Tin
Hockley Hall and Whateley Colliery and Brickworks	1	from 1897	Warwickshire	Coal
Hodbarrow Mining Company	1		Cumbria	Iron
Hodroyd Colliery Company	1	1915–1919	South Yorkshire	Coal
Holly Bank Coal Co. Ltd	1	1891–1932	Staffordshire	Coal, Ironstone
Holmside & Southmoor Collieries Ltd	2	1910–1947	County Durham	Coal, Fireclay
Holyfield Mining Co.	1	from 1888	Cumbria	Lead
Holywell-Halkyn Mining and Tunnel Company	2	1896–1928	Flintshire	Lead, Zinc, Silver
Hook Colliery Co	1	1875–1948	Pembrokeshire	Coal
Hopewell Colliery	1	from 1997	Gloucestershire	Coal
Hopton Mining Company	1	from 1915	Derbyshire	Barite, Fluorspar, Lead
Hopton-Wood Stone Firms Ltd	1	1900–1959	Derbyshire	Limestone
Horden Collieries Ltd	2	1900–1947	County Durham	Coal
Horse Edge Mining Co.	1	1891–1892	Cumbria	Barytocalcite, Lead
Houghton Main Coal Co.	1	1873–1947	South Yorkshire	Coal
Hucknall Colliery Co.	1	1861–1947	Nottinghamshire	Coal
Hugh Begg	1	1874–1880	Rhondda Cynon Taf	Coal
Hugh Boyd	1	from 1736	County Antrim	Coal
Hugh Campbell & Sons	1	1840–1900	County Down	Granite
Hugh Henshall Williamson	1	to 1867	Staffordshire	Coal
Hugh S. Dunn	1	1893–1902	South Lanarkshire	Coal, Fireclay
Hugh Williams and John Pughe	1	1815–1850	Powys	Copper, Lead, Silver
Hughes and Lancaster	1	1883–1884	Flintshire	Lead, Zinc
Hulton Colliery Company	2	1900–1947	Greater Manchester, Merseyside	Coal
Humble, Lamb & Co.	1	1830–1840	Tyne and Wear	Coal, Fireclay
Hunstanworth Mines Ltd	1	1916–1932	Northumberland	Fluorspar, Lead
Huntingdon Beaumont	2	1601–1620	Nottinghamshire	Coal
Hyde Lane Colliery Company	1		Greater Manchester	Coal