The United Autoworkers offers advocacy and education for workers in every sector of the economy.

8000 East Jefferson Avenue
Detroit, MI 48214-3963
Tel: (313) 926-5000
https://uaw.org

The Manufacturing Institute offers certification, apprenticeship information, industry research, and other resources for workers in the manufacturing industry.

733 10th St., NW, Suite 700
Washington, D.C. 20001-4884
Tel: (202) 637-3426
Fax: (202) 637-3182
http://www.themanufacturinginstitute.org

National Tooling and Machining Association provides education, events, and resources for the custom manufacturing industry.

1357 Rockside Road
Cleveland, OH 44134-2776
Tel: (800) 248-6862
Fax: (216) 264-2840
https://ntma.org

Precision Machined Products Association offers education, publications, research and news, networking events, and other resources for manufacturing professionals.

6880 West Snowville Road, Suite 200
Brecksville, OH 44141-3255
Tel: (440) 526-0300
Fax: (440) 526-5803
https://www.pmpa.org

Society for Maintenance and Reliability Professionals provides certification and education for maintenance and reliability professionals.

3200 Windy Hill Road SE, Suite 600W
Atlanta, GA 30339-8585
Tel: (800) 950-7354
Email: info@smrp.org
https://www.smrp.org

United Steelworkers provides advocacy, education, and other resources for more than 1.2 million steelworkers in the U.S., Canada, and the Caribbean.

60 Boulevard of the Allies
Pittsburgh, PA 15222-1214
Tel: (415) 562-2400
https://www.usw.org