American Society for Healthcare Engineering (ASHE)

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

Association for Facilities Engineering (AFE)

Association of Water Technologies (AWT)

Building Owners and Managers Association (BOMA)

Cooling Technology Institute (CTI)

Certified Water Technologist (CWT)

HC Information Resources (Information on Legionella)

National Association of Corrosion Engineers (NACE)

Water Quality Association (WQA)