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