Castos
of Oakworth, Hadley, near Wellington, Shropshire. Telephone: Wellington 401. Cables: "Castoset, Wellington, Salop; and at 5 Stanhope Terrace, London, W2. Telephone: Paddington 9525
- Private company.
- 1947 Listed Exhibitor - British Industries Fair. Manufacturers of Castos New Constructional Set, enabling Everyone to Build Realistic Models of Past and Present Architectural Achievements. A Fascinating, Instructive Hobby based on Sound Principles of Modern Building. (Olympia, 2nd floor, Stand No. J.2226) [1]
- 1961 Sectional building manufacturers specialising in "Oakworth Greenhouses. [2]