» American Council of Engineering Companies (ACEC)
» American Society for Healthcare Engineering (ASHE)
» American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE)
» American Society of Mechanical Engineers (ASME)
» American Society of Plumbing Engineers (ASPE)
» Associated Air Balance Council Commissioning Group (AABC Commissioning Group)
» Association of Energy Engineers (AEE)
» Control System Integrators Association (CSIA)
» International District Energy Association (IDEA)
» International Society of Automation (ISA)
» International Institute for Sustainable Laboratories (I2SL)
» Institution of Electrical and Electronics Engineers (IEEE)
» Ohio Association of Plumbing Inspectors (OAPI)
» National Fire Protection Association (NFPA)
» Society of Fire Protection Engineers (SFPE)
» U.S. Green Building Council (USGBC)