For membership information and general questions, please call the office nearest to your worksite.

• Madison:  (608) 284-8605
• Milwaukee: (414) 455-5898‬
• La Crosse:  (262) 204-7633

Information about contracts, grievances and other worksite issues:  help@seiuwi.org

Media inquiries:  media@seiuwi.org

Fax us at: 608-270-2025

Madison Office
33 Nob Hill Rd
Madison, WI 53713
Phone: (608) 284-8605

Eastern WI Office
633 S Hawley Rd Suite 106
Milwaukee, WI 53214
Phone: (414) 455-5898‬

Western WI Office
2020 Caroline St
La Crosse, WI 54603
Phone: (262) 204-7633