About Us - Our Affiliations


  • ASHRAE - American Society of Heating, Refrigerating and Air-Conditioning Engineers

  • ASME - American Society of Mechanical Engineers

  • ANS - American Nuclear Society

  • ASPE - American Society of Plumbing Engineers

  • ASSE - American Society of Sanitary Engineers

  • AWS - American Welding Society

  • MCAA - Mechanical Contractors Association

  • NACA - National Construction Agreement Building Construction Trades

  • NCPWB - National Certified Pipe Welding Bureau

  • NFPA - National Fire Protection Association

  • NMAPC - National Maintenance Agreement Policy Committee

  • SMACNA - Sheet Metal Air Conditioning Contractors' National Association

  • TAUC - The Association of Union Constructors

  • UA - United Association Union of Plumbers, Pipefitters, Welders and HVAC Service Techs