Local 4, Worcester, Massachusetts
Local 9, Englishtown, New Jersey
Local 12, Boston, Massachusetts
Local 15, Minneapolis, Minnesota
Local 17, Memphis, Tennessee (Plumbers)
Local 19, Salt Lake City, Utah
Local 24, Newark, New Jersey (Plumbers)
Local 25, Rock Island, Illinois
Local 27, Pittsburgh, Pennsylvania (Plumbers)
Local 32, Seattle, Washington (Plumbers & Pipefitters)
Local 38, San Francisco, CA (Plumbers, Pipefitters, Marine PF)
Local 43, Chattanooga, Tennessee
Local 47, Northwest, Pennsylvania
Local 51, East Providence, Rhode Island
Local 60, New Orleans, Louisiana
Local 74, Wilmington, Delaware
Local 75, Milwaukee, Wisconsin
Local 78, Los Angeles, California (Plumbers)
Local 102, Knoxville, Tennessee
Local 112, Binghamton, New York
Local 136, Evansville, Indiana
Local 155, Little Rock, Arkansas
Local 157, Terre Haute, Indiana
Local 172, South Bend, Indiana
Local 183, Milwaukee, Wisconsin
Local 190, Ann Arbor, Michigan
Local 200, Long Island, New York
Local 230, San Diego, California
Local 250, Los Angeles, California (Pipefitters)
Local 254, Winnipeg, MB, Canada
Local 268, St. Louis, Missouri
Local 274, Ridgefield, New Jersey
Local 295, Daytona Beach, Florida
Local 314, Kansas City, Missouri
Local 322, Southern New Jersey
Local 342, Oakland, California
Local 343, Vallejo, California
Local 393, San Jose, California
Local 400, Green Bay, Wisconsin
Local 412, Albuquerque, New Mexico
Local 420, Philadelphia, Pennsylvania
Local 421, Charleston, South Carolina
Local 440, Indianapolis, Indiana
Local 452, Lexington, Kentucky
Local 455, St. Paul, Minnesota
Local 467, Burlingame, California
Local 483, San Francisco, California
Local 486, Baltimore, Maryland
Local 520, Harrisburg, Pennsylvania
Local 533, Kansas City, Missouri
Local 536, Baltimore, Maryland
Local 537, Boston, Massachusetts
Local 538, Johnson City, Tennessee
Local 550, Boston, Massachusetts
Local 572, Nashville, Tennessee
Local 582, Santa Ana, California
Local 601, Milwaukee, Wisconsiná
Local 614, Memphis, Tennessee (Plumbers & Pipefitters)
Local 625, Charleston, West Virginia
Local 638, NYC and Long Island, New York
Local 690, Philadelphia, Pennsylvania (Plumbers)
Local 692, Philadelphia, Pennsylvania
Local 693, South Burlington, Vermont
Local 699, Seattle, Washington
Local 709, Los Angeles, California
Local 777, State of Connecticut
Local 798, Pipeliners, Tulsa Oklahoma
Local 855, Jersey City, New Jersey
Local 14, Jersey City, New Jersey
Local 8, Kansas City, Missouri
Local 159, Martinez, California (HVAC, Plumbers, Stemfitters)
Local 234, Jacksonville, Florida (Plumbers, Pipefitters)
Local 803, Orlando, Florida (HVAC, Plumbers, Pipefitters)
Local 630, West Palm Beach, Florida (HVAC, Plumbers, Pipefitters)