Stopwatches.com  
   Major stopwatch brands, including Robic, Seiko, Ultrak, and Sportcount.
   http://www.stopwatches.com/

Ump-Attire  
   Retails apparel for baseball, softball basketball, football, lacrosse and wrestling officials.
   http://www.ump-attire.com/

Official Sports Canada  
   Soccer referee equipment for Canadian referees. Shirts, shorts, socks, whistles, and flags.
   http://www.officialsports.bc.ca

Fleming's Referee and Sport  
   Equipment for referees and umpires of baseball, football, basketball, soccer, and lacrosse
   http://www.refandsport.com/

Honig's Whistle Stop  
   Referee apparel and equipment.
   http://www.honigs.com/

Gerry Davis Sports  
   Equipment and apparel for umpires and officials.
   http://www.gerrydavis.com/

Smitteez  
   Offers equipment and apparel for umpires, referees and sports officials in American Football, Soccer and Basketball.
   http://www.smitteez.com/

Stopwatches USA  
   Mechanical and digital stopwatches and timing products; includes a cross-reference chart with recommended timepieces by application.
   http://www.stopwatchesusa.com/

Stripes Plus  
   Retails shoes, bags, whistles and accessories for basketball, baseball, volleyball and hockey officials.
   http://www.stripesplus.com/

Score-Clocks Inc.  
   Rent and sell portable, multi-side sports and wrestling specific scoreboards.
   http://www.score-clocks.com/

Law 5  
   Soccer referee gear, featuring the new gold, red, and black pin stripe jerseys.
   http://www.lawfive.com

Fox 40 Whistles  
   Whistles, lanyards, attachments, and coaching boards for sale.
   http://www.fox40whistle.com

Reliable Racing Supply  
   Timing equipment for sporting and competitive events such as software, photocells, printers, message displays, stopwatches and start clocks.
   http://www.reliabletiming.com/

Phoenix Sports Technology  
   Manufacturer of digital displays for running races, track and field, equestrian and motor sports. Exclusive US distributor of ALGE Timing equipment.
   http://www.phoenix-sports.com

The Whistle Line  
   A retail source for soccer referee supplies and accessories in the Pacific Northwest.
   http://www.thewhistleline.com

Sports Officials Calendar & Scheduling System  
   Offering a system which schedules events, assigns officials, and invoices customers and officials.
   http://www.isocs.com

Torch's Referee & Umpire Supplies  
   Providing referee and umpire clothing, equipment, supplies and accessories for baseball, basketball and American football officials.
   http://www.officialssupplies.com

Official Sports International  
   Uniforms and equipment for soccer referees. The site includes a listing of the retail outlets in the USA.
   http://www.officialsports.com/

Lester's Upstate Sports  
   Referee and umpire uniforms, and accessories for baseball, softball, basketball, American football, soccer, and wrestling.
   http://www.lestersupstatesports.com

Refwear  
   Offering apparel and supplies for soccer referees in the United States.
   http://refwear.com/

CAT Sports  
   Carries equipment and starter kits for new officials for basketball, football, baseball, soccer and other sports.
   http://www.cat-sports.net/

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.
   http://www.officialsports.co.uk

Challenge Soccer  
   Challenge Soccer carries referee equipment for soccer referees in the Midwest of the USA.
   http://www.challengesoccercompany.com/html/referee.html

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.
   http://www.rulesguide.com

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.
   http://www.getofficial.com/

Refshop.com  
   Offering referee apparel from brand name manufacturers for baseball, American football, ice hockey, lacrosse and wrestling.
   http://www.refshop.com

Pro-Ref Sportswear  
   Referee and umpire uniforms and equipment for baseball, basketball and American football officials.
   http://www.pro-ref.com

WebReferee  
   A website for assigning and managing a referee association.
   http://www.webreferee.net

RidgeStar Referees  
   Provides overview information and a demonstration of a web based Soccer Referee Management system useful for referee scheduling.
   http://www.referees.biz/

Ref Centre  
   Online referee assignment, scheduling and management software for sports districts, leagues, clubs and tournaments.
   http://www.refcentre.com/

ACME Whistles of Canada  
   ACME Whistles of Canada, over 125 years of sound development. Specializing in whistles for officials.
   http://www.acmewhistles.ca