of Yorkshire Athletic Manufactory, Horbury, Yorkshire. London Works: 43/45 Fortess Road, Kentish Town, London, NW. London Showrooms: 4 Dyers Buildings, Holborn, EC. (1922)
of Sports Specialists, Horbury, Yorkshire. Telephone: Horbury 10. Cables: "Sykes, Horbury". (1929)
1922 Listed Exhibitor - British Industries Fair. Manufacturers of Athletic Goods and Travelling Bags. (Stand No. H.2) 
1929 Listed Exhibitor - British Industries Fair. Manufacturers of all requisites for Tennis, Cricket, Football, Hockey, Lacrosse, Badminton, Boxing, Billiards, Table Tennis, Punch Balls, Motor Gauntlets, Helmets, etc. (Stand No. B.15) 
1944 Acquired by Slazengers.