UA Local 400 has over 100 signatory contractors both independently and collectively through the Mechanical Contractors Association of North Central Wisconsin.

















If you’re a mechanical contractor or pipe fabrication shop owner interested in learning more about partnering with UA Local 400, we encourage you to visit our New Business Portal and contact Business Manager Doug Dokey at 920-462-0406. 

Building Wisconsin TV host Stuart Keith chats with former UA 400 Business Manager Trevor Martin at their training center, and takes a tour of Bassett Mechanical with company President Kim Bassett, Fabrication Foreman Cody Blauert and 2-year Steamfitter Apprentice Maddy Dejardin. Click here to watch!