(ACCA) Air-Conditioning Contractors of America

(ARI) Air-Conditioning and Refrigeration Institute

(AMCA) Air Movement and Control Association International, Inc.

(ANSI) American National Standards Institute

(ASCE) American Society of Civil Engineers

(ASME) American Society of Mechanical Engineers

(ASPE) American Society of Plumbing Engineers

(AEI) Architectural Engineering Institute

(BSRIA) Building Services Research Information Association

(CIBSE) The Chartered Institution of Building Services Engineers

CIBSE—Republic of Ireland Branch

(CIBSE) The CIBSE/ASHRAE Group

(CTI) Cooling Technology Institute

(EPRI) Electric Power Research Institute

(REHVA) Federation of European Heating and Air Conditioning Associations (FMB) Federation of Master Builders - BRIX

(GHPC) Geothermal Heat Pump Consortium

(HRAI) Heating, Refrigerating and Air-Conditioning Institute of Canada

(JETS) Junior EngineeringTechnical Society

(ISA)The Instrumentation, Systems, and Automation Society

(IIAR) International Institute of Ammonia Refrigeration

(ISO) International Organization for Standardization

(ISES) International Solar Energy Society

National Engineers Week

(NSPE) National Society of Professional Engineers

(NEEP) Northeast Energy Efficiency Partnerships Inc.

NSSN: A National Resource for Global Standards

Guide to Online Degrees in Engineering

(RSES) Refrigeration Service Engineers Society

(SCANVAC)Joint Organization of HVAC-Technology for the National Societies in Scandinavia, Iceland and the Baltic States.