Missouri Nurses Association
- Union representing nurses in the state since 1906.
- http://www.missourinurses.org/

National Postal Mail Handlers Union Local 297
- Located in Kansas City, Mo.
- http://npmhulocal297.com

IBEW Local 1613
- Union representing clerical and technical employees at Kansas City Power & Light Company and Edison Credit Union in Kansas City, MO.
- http://home.earthlink.net/~local1613/

UFCW 655
- Representing registered nurses in St. Louis, Mo.
- http://ufcw655.com

IAM District 837
- Union representing machinists and aerospace workers at Boeingin St. Louis, MO.
- http://iam837.org/

Eastern Missouri Laborers' District Council
- Unionized construction craft laborers and contractors. Affiliated with the Laborers' International Union of North America (LIUNA).
- http://www.buildunion.com/

KC Labor
- An Internet port-of-entry for working people. Original content includes Labor Advocate, a monthly online newsletter. Resource pages feature hundreds of links on labor unions, labor solidarity, labor law, labor safety, labor culture, labor history, social
- http://www.kclabor.org

Missouri AFL-CIO
- News updates, a schedule of events, and a sign up page for projects from the Missouri labor federation.
- http://www.moaflcio.org