| Amateur Baseball Umpire Association | | An umpire information center. Umpire associations, umpire equipment, umpire rules; a resource center for umpires to find and share information. |
| American Federation of Umpires(AFU) | | Group of baseball and softball umpires who share the common goal of consistent improvement in their officiating skills and knowledge of the game. Features clinics, a newsletter, and various resources. |
| Newcastle Baseball Umpire's Association | | Encompassing the cities of Newcastle, Maitland, Cessnock and Lake Macquarie, and the Shires of Singleton and Port Stephens. It is an independent body of umpires serving the Newcastle Baseball Association. |
| San Diego Adult Baseball Umpires | | An informative guide to umpiring baseball with emphasis on rules, mechanics and testing. Examples provided with graphics and helpful suggestions. Umpiring the San Diego Adult Baseball League (SDABL). |
| San Diego Umpires Association | | Serving the San Diego baseball community for over 60 years. Full training of officials and service to the community. The only certified High School Association in San Diego. |
| Staten Island Baseball Umpires Association | | The SIBUA provides Sandlot Baseball Umpiring for Youth and Adult Leagues, requires National Association of Sports Officials Membership and is itself a member of National Association of Sports Officials Local Officials Administration Network Program. |
| Syracuse Chapter of the NYSBUA | | Information from the Syracuse Chapter for high school baseball umpires. Contains links to other chapters in New York State as well as the state site. |
| Western Maine Baseball Umpires | | Provides board members with essential information regarding board policy, rules, dress code, school locator, and a discussion forum. Members may join mailing list. |
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