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.
- http://www.americanfederationofumpires.com/

Western Washington Baseball Umpires Association
- Includes information on baseball umpiring, requirements, meeting calendar, field locations, employment, and members' only area.
- http://www.wwbua.com/

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.
- http://www.sibua.com/

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.
- http://sandiegocountyumpires.org

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.
- http://www.scvfu.com/

Western New York Umpires Association
- Organization of baseball and softball umpires in Western New York. Includes training information, meeting calendar, and camps.
- http://www.wnyua.org/

Babe Ruth Softball National Umpires Association
- A listing of divisions, championships, news items, membership details, league information and contacts.
- http://www.baberuthleague.org/umpires.html

Fox Valley Blues Umpires Association
- Provides baseball and softball umpiring services in Northern Illinois, including Chicago and suburbs.
- http://www.fvbumpire.com/

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).
- http://www.sdabu.com/

California Baseball Umpires Association
- Provide training for college, high school, adult and youth leagues sports officials.
- http://www.calsportsofficials.com

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.
- http://www.wmbumpires.com/

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.
- http://users.hunterlink.net.au/~dikr/