ASHRAE, American Society of Heating, Refrigeration & Air Conditioning Engineers
www.ashrae.org

ASME, American Society of Mechanical Engineers
www.asme.org

AWT, Association of Water Technologies
www.awt.org

BOMA, Building Owners and Management Association
www.boma.org

CTI, Cooling Tower Institute
www.cti.org

NACE, National Association of Corrosion Engineers
www.nace.org