The professionals of U.A. Local 190 - Plumbers, Pipefitters, Service Technicians and Gas Distribution workers - have been serving the residential and business needs of Washtenaw County for over 100 years. We also install natural gas distribution pipelines throughout Michigan and Ohio. Growing from an initial group of 15 members, U.A. Local 190 now has over 1,500 members and is affiliated with the international United Association and its 250,000 members.