Employers involved in creating the standard: British and International Golf Greenkeepers Association, Crosfields School, Edgbaston Stadium, England Golf, Frilford Heath Golf Club, Greenkeepers Training Committee, Gaudet Luce Golf Club, Grounds Maintenance Association, Highfield Sports Ground, Leicester City Football Club Sports Turf Academy, Leyland Golf Club Ltd, Portmore Golf Club, Richmond Golf Club, Royal Birkdale, Sunningdale Golf Club, The London Club, Trentham Golf Club, Myerscough College, Kings School, Nottingham University, Oaklands College, Whitgift School.