| 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. |
| Babe Ruth Softball National Umpires Association: A listing of divisions, championships, news items, membership details, league information and contacts. |
| California Baseball Umpires Association: Provide training for college, high school, adult and youth leagues sports officials. |
| Daniel Boone Little League Umpires: A site for Umpires of Daniel Boone Little League to get information. Features rulebook and rule changes. |
| Eastern Maine Baseball Umpires Association: Trains and provides baseball umpires for high schools in Maine. Listing of meeting times and contact information. |
| Fox Valley Blues Umpires Association: Provides baseball and softball umpiring services in Northern Illinois, including Chicago and suburbs. |
| New York State Baseball Umpires Association: Information and news for high school umpiring in New York state. |
| 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. |
| Santa Clara Valley Federation of Umpires: For umpires in the Santa Clara Valley Federation of Umpires. Contains information on the SCVFU and how to join. Pertinent data available online. |
| 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. |
| Upstate New York Collegiate Baseball Umpires Association: Includes news and information on this collegiate level baseball umpires association serving all of New York outside New York City. |
| Washington County Umpires Association: Rules quizzes, articles, discussion board, links, and umpiring mechanics information. |
| 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. |
| Western New York Umpires Association: Organization of baseball and softball umpires in Western New York. Includes training information, meeting calendar, and camps. |
| Western Washington Baseball Umpires Association: Includes information on baseball umpiring, requirements, meeting calendar, field locations, employment, and members' only area. |
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