Aerialite
of Castle Works, Stalybridge, Cheshire.
of Romiley (wire drawing mill).
1932 Founded by Laurence Stuart Hargreaves.
1945 Became public company.
1947 Acquired Nettle Accessories.
1961 Manufacturers of power and lighting electric cable, "Nettle" electric wiring accessories, television aerials and associated equipment. 2,000 employees.[1]