| 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. |
| Fleming's Referee and Sport: Equipment for referees and umpires of baseball, football, basketball, soccer, and lacrosse |
| Fox 40 Whistles: Whistles, lanyards, attachments, and coaching boards for sale. |
| Gerry Davis Sports: Equipment and apparel for umpires and officials. |
| 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. |
| Honig's Whistle Stop: Referee apparel and equipment. |
| 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 International: Uniforms and equipment for soccer referees. The site includes a listing of the retail outlets in the USA. |
| 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. |
| Rulesguide.com: Easy to follow guide books to help understand the rules of the game. Guide books for many sports including Tennis, Golf, Ice Hockey and basketball. |
| Score-Clocks Inc.: Rent and sell portable, multi-side sports and wrestling specific scoreboards. |
| Smitteez: Offers equipment and apparel for umpires, referees and sports officials in American Football, Soccer and Basketball. |
| Sports Officials Calendar & Scheduling System: Offering a system which schedules events, assigns officials, and invoices customers and officials. |
| Stopwatches USA: Mechanical and digital stopwatches and timing products; includes a cross-reference chart with recommended timepieces by application. |
| Stopwatches.com: Major stopwatch brands, including Robic, Seiko, Ultrak, and Sportcount. |
| Stripes Plus: Retails shoes, bags, whistles and accessories for basketball, baseball, volleyball and hockey officials. |
| The Whistle Line: A retail source for soccer referee supplies and accessories in the Pacific Northwest. |
| Torch's Referee & Umpire Supplies: Providing referee and umpire clothing, equipment, supplies and accessories for baseball, basketball and American football officials. |
| Ump-Attire: Retails apparel for baseball, softball basketball, football, lacrosse and wrestling officials. |
| WebReferee: A website for assigning and managing a referee association. |
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