Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,151 pages of information and 233,681 images on early companies, their products and the people who designed and built them.
as Kay Sports Co of 100 High Street, Clapham, London, SW4. Telephone: Batterse 2837 and 1688. Cables: "Kaysports, London". (1929)
as Kay (Sports and Games) Ltd of Carlisle Road, The Hyde, London, NW9. Telephone: Colindale 5441. Cables: "Kaysports, London". London Showrooms: 125 High Holborn, WC1. (1947)
1929 Listed Exhibitor - British Industries Fair. Manufacturers of Key Chemistry Outfits, Kay Glass Blowing Outfits, Tennis Rackets and Accessories, Cricket, Badminton, Hockey, Football, Exercisers and Chest Expanders, Miniature Billiards Tables, Table Tennis, and Indoor Games. (Stand No. B.40) 
1937 Patent - Improvements in and relating to dart boards. 
1938 Patent - Improvements in and relating to dart-boards. 
1947 Listed Exhibitor - British Industries Fair. Manufacturers of Toys, Games, and Indoor Pastimes. (Olympia, 3rd Floor, Stand No. K.2435)