Labor Affiliation

  • Local Union 50 – Toledo, OH.
  • Local Union 98 – Detroit, MI.
  • Local Union 636 – Detroit, MI.
  • Local Union 174 – Coopersville, MI.
  • Local Union 190 – Ann Arbor, MI.
  • Local Union 324 – Detroit, MI. (Operating Engineers)
  • Local Union 334 – Detroit, MI. (Laborers)
  • Local Union 357 – Schoolcraft, MI.
  • Local Union 396 – Boardman, OH.
  • Local Union 370 – Flint, MI.
  • Local Union 452 – Lexington, KY.
  • Local Union 614 – Memphis, TN.
  • Local Union 671 – Monroe, MI.
  • Local Union 714 – Columbus, MS.
  • Local Union 776 – Lima, OH.
  • Local Union 502 - Louisville, KY.
  • Local Union 333 – Lansing, MI.
  • NMAPC – Washington, D.C.
  • UA Commercial Pipe Fabrication Agreement

Membership Affiliation

  • Association for Iron & Steel Technology
  • Mechanical Contractors Association of America
  • Mechanical Contractors Association of Detroit
  • National Certified Pipe Welders Bureau
  • American Welding Society
  • American Society of Mechanical Engineers
  • Pipe Fabrication Institute
  • National Veteran-Owned Business Association
  • American Society of Heating, Refrigerating and Air Conditioning Engineers