California School Employees Association
- The largest classified school employees union in the United States. CSEA represents more than 190,000 public employees in California.
- http://pub.csea.com

Bricklayers and Allied Craftworkers (BAC) Local 3 California
- Union representing bricklayers, masons, tile layers and finishers, and related fields in the state's northern 46 counties.
- http://www.bac3-ca.org/

IAM District 725
- Representing 16,000 active and retired Machinists in California.
- http://iam725.org/

Upland Firefighters' Association Local 3477
- Labor association representing the 36 members of the Upland Fire Department. Located in Upland, California.
- http://www.upff.org/

Engineers and Architects Association
- Represents over 7500 engineers, scientists, technicians, administrators and attorneys in the City of Los Angeles.
- https://www.eaaunion.net

Stop AB 931
- Describes reasons to oppose A California Electrician Certification Law.
- http://www.stopab931.org

Coalition of University Employees
- An independent, member-run union representing clerical employees at the University of California.
- http://www.cueunion.org/

Local 6074 of the American Postal Workers Union
- Labor union defending the rights of Postal employees in the High Desert. Covers towns in Los Angeles, Kern and Mono Counties.
- http://www.hdapwu.org/

The Construction Industry Force Account Council
- Northern California, Construction Industry Force Account Council is a non-profit coalition (501 [c] 6) of concerned construction industry associations, contractors and labor union representatives.
- http://www.cifac.org

California Nurses Association
- Union representing registered nurses in California hospitals. News, hospitals represented, and membership information.
- http://www.calnurse.org/

California Association of Rehabilitation & Reemployment Professionals (CARRP)
- Fosters and supports effective delivery of private vocational rehabilitation and disability management services. Newsletter, events, and membership.
- http://www.carrp.org/

Carpenters Union, Local 25
- Union serving Amador, Calaveras, Mariposa, Merced, San Joaquin, Stanislaus, and Tuolumne Counties. Membership, activities, wages, and benefits.
- http://www.carpenterslocal25.org

California Association of Highway Patrolmen
- Represents and provides benefits to uniformed California Highway Patrol. News and benefits information.
- http://www.thecahp.org

United Public Employees of California, Local 777
- Affiliated with Laborers International Union of North America, AFL-CIO, representing public employees in Riverside and Los Angeles Counties, California.
- http://www.liuna777.org

L.A. Labor News
- Left wing coverage of the labor movement and politics.
- http://www.lalabor.org/

Teamsters Local 495
- Automotive, industrial and allied workers in southern California.
- http://www.teamsters495.org

San Bernardino Public Employees Association
- Independent public employee labor union representing local government employees in Southern California.
- http://www.sbpea.com

California State Employees Association
- Affiliated with the SEIU as Local 1000, CSEA represents over 141,000 retired and active employees of the state of California.
- http://www.calcsea.org

California Labor Federation, AFL-CIO
- Coordinating council for unions in California.
- http://www.calaborfed.org