Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,095 pages of information and 233,633 images on early companies, their products and the people who designed and built them.
Note: This is a sub-section of ECC
Amalgamations and Acquisitions from 1919
1920 John Nicholls & Company Ltd (properties only); Melbur China Clay Company Ltd (assets only)
1927 North Goonbarrow China Clay Company Ltd; Great Halviggan China Clay Company Ltd; Imperial Goonbarrow Clays Ltd; Rosevear Clays Limited; Hallivet China Clay Company Ltd
1929 Wm Varcoe & Sons Ltd; Cornwall Porcelain Clays Ltd; Burthy Clays Limited; New Halwyn China Clay Company Ltd; Carbis China Clay & Brick Company Ltd; Trethowal China Clay Company (properties only); Varcoes China Clays Ltd
1933 Manchester China Clay Company (property only); Newquay China Clay Company Ltd (assets only); Rocks Clay Works; Lansalon China Clay (property only); Lee Moor freehold
1934 Great Treviscoe Works; Lambe Estate freeholds; Wheal Anna Clay Mining Company Ltd; Grose & Stocker Ltd; Continental China Clay Company; Bugle China Clay Company Ltd (assets only); Rock Hill China Clay Company Ltd; Rosevear China Clay Company Ltd
1935 Super Clay Company Ltd; Stenalees China Clay Company Ltd; Forest Sett and Works
1936 Rosemellyn Works; Single Rose Clay Company Ltd
1937 Robinson's Mica Works; Hendra Sett and Fortescue freeholds; Central Cornwall Artificial Stone & Concrete Company Ltd; Gunheath Concrete Works; Dartmoor China Clay Company Ltd
1938 Cornish Kaolin Ltd (assets only); Matthews Concrete Block Works; Mineral rights— Burgotha and Virginia Setts; Plympton Trading Company Ltd;
1939 Bloomdale China Clay Company Ltd (properties only)
1940 Mid-Cornwall China Clay Company Ltd; J. R. F. Bradford Ltd (assets only); Skidmore & Company (assets only)
1941 West Gunheath Clay Company; Molinnis Mica Works; Par Moor China Clay Co Ltd
1942 Clay property in Georgia, USA; Gover Valley Mica Works.
1945 Selleck Nicholls Ltd; John Williams & Company (Cornwall) Ltd; Wheal Grey Block Works; Par Harbour properties.
1946 Kaolin Corporation Ltd (assets only); Meier Garin et Cie (Brussels); Gothers freehold; Gears China Clay Company (assets only); South Carelaze Clay & Mica Company Ltd; Par Moor Sand & Block Works; Gover Clay Sett.
1947 Gronant Chert Quarry; Hoare Bros.
1948 Heavy Transport Company Ltd; Parkyn & Peters Ltd.
1949 Glyn Valley Works.
1950 James Best & Son Ltd; Wemblyn China Clay Company Ltd (assets only); Stannon Works freehold; Chapel Mills freehold; Jeffords Quarry.
1951 Ringslade Ball Clay properties; Smallhanger China Clay (property); Beacon Clays roadstone quarry.
1952 Gaverigan freeholds
1953 South Fraddon China Clay Ltd (assets only); Carpalla United China Clay Company
1955 Hendy Quarry Company Ltd; Western Haulage Contractors (Plymouth) Ltd; City Haulage (Plymouth) Ltd; Cornwall Mills Ltd; Yate Mills Ltd; Freeholds of Stenalees Sett, St Dennis, and Parkandillack Sett and Ruddle Common Sett purchased.
1956 Mineral Industries Ltd; Hoare Bros Ltd; Norman E. May Ltd; Granulite Quarries (Meldon) Ltd.
1957 Hexter & Budge Ltd; Northcott Group of Quarries.
1958 Freehold of Hemerdon Sett
1959 Croft Granite Brick & Concrete Company Ltd; Patent Victoria Stone Company Ltd; Erith Construction Company Ltd; Manor of Treverbyn freeholds.
1961 Williams Luke & Company Ltd (assets only); Callow Rock Lime Company Ltd; Glover & Uglow Ltd; Kelly Bray Suppliers Company Ltd; Farm Utilities Ltd (assets only); Lime Distributors (South West) Ltd; Gunheath, Carbean and Ruddle freeholds purchased.
1962 Concrete Products (Westbury) Ltd.
1963 Harris & Company (Shipping) Ltd.
1964 W. D. Tamlyn & Company Ltd; Carthew Estate;
1965 Meeth (North Devon) Clay Company Ltd; Altree & Channon Ltd; Great Longstone China Clays Ltd.
1966 M. S. Small; T. Couch & Son Ltd.
1967 Pike Bros, Fayle & Company Ltd; Sydney Green & Sons (Contractors) Ltd Group of Companies.
1968 Golden Valley Colours Ltd; Rogers & Cooke (Salisbury) Ltd; W. G. Griffin Ltd.