| ACME Whistles of Canada | | ACME Whistles of Canada, over 125 years of sound development. Specializing in whistles for officials. |
| American Challenge | | Carries referee equipment for soccer referees in the Midwest of the USA. |
| CAT Sports | | Carries equipment and starter kits for new officials for basketball, football, baseball, soccer and other sports. |
| Fox 40 Whistles | | Whistles, lanyards, attachments, and coaching boards for sale. |
| GetOfficial.com | | The source for quality baseball, basketball, football, ice hockey, soccer, softball, swimming, track, volleyball and wrestling officiating equipment and apparel. Previously the NFHS Equipment Center. |
| Law 5 | | Soccer referee gear, featuring the new gold, red, and black pin stripe jerseys. |
| Lester's Upstate Sports | | Referee and umpire uniforms, and accessories for baseball, softball, basketball, American football, soccer, and wrestling. |
| Official Sports Canada | | Soccer referee equipment for Canadian referees. Shirts, shorts, socks, whistles, and flags. |
| Official Sports UK | | Offers kit and accessories to football referees in the United Kingdom and Europe. A wide variety of kit, unique accessories and casual wear is available. |
| Phoenix Sports Technology | | Manufacturer of digital displays for running races, track and field, equestrian and motor sports. Exclusive US distributor of ALGE Timing equipment. |
| Pro-Ref Sportswear | | Referee and umpire uniforms and equipment for baseball, basketball and American football officials. |
| Ref Centre | | Online referee assignment, scheduling and management software for sports districts, leagues, clubs and tournaments. |
| Refshop.com | | Offering referee apparel from brand name manufacturers for baseball, American football, ice hockey, lacrosse and wrestling. |
| Refwear | | Offering apparel and supplies for soccer referees in the United States. |
| Reliable Racing Supply | | Timing equipment for sporting and competitive events such as software, photocells, printers, message displays, stopwatches and start clocks. |
| RidgeStar Referees | | Provides overview information and a demonstration of a web based Soccer Referee Management system useful for referee scheduling. |
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