Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 143,440 pages of information and 230,054 images on early companies, their products and the people who designed and built them.
Constructors of Nickel Works, Tyburn Road, Erdington, Birmingham. Telephone: Erdington 1616. Telegraphic Address: "Equipstors, Birmingham". (1937 and 1947)
1937 Listed Exhibitor - British Industries Fair. Steel equipment for office and factory use. Bathing Pool Cubicles and Lockers. The "Coronation" Clothes Locker. Cycle Parks, Partitions, Planfiling Cabinets, Racks, Shelving, Strong Room Doors, Work Benches and Pans. (Stand No. Cb.608) 
1939 See Aircraft Industry Suppliers
1947 British Industries Fair Advert for Constructors Steel Equipment for Office and Works. Manufacturers of Steel Office Furniture and Works Equipment including Filing Cabinets, Desks, Tables, Cupboards, Clothes Lockers, Letter Racks, Letter Trays, Waste Bins, Shelving, Partitioning, Cycle Parks, Work Benches, Tool Stands, Bar Racks. (Office Appliances Section - Olympia, Ground Floor, Stand No. B.1422)