Local 130 UA, with over 6,100 members, is one of the largest straight-line plumbing locals in the United Association (UA). The quality of our people, our great size and our loyalty to each other makes Local 130 UA a strong and respected voice in the construction piping industry and community. The Technical Engineering Division of Local 130, U.A. has been providing horizontal and vertical control points to General Contractors and multiple trades on construction sites in Chicagoland and surrounding collar counties, including Northwest Indiana since 1962.