■ Acoustical Society of Japan

■ Air-Conditioning and Refrigeration Institute 

■ American Filtration and Separations Society

■ Air Movement and Control Association Information

■ American Engine Rebuilders Association

■ American Society of Heating, Refrigerating, and Air-Conditioning Engineers

■ American Welding Society

■ American Society of Mechanical Engineers

■ Audio Engineering Society 

■ Automotive Parts Rebuilders Association

■ British Society of Audiology

■ Canadian Acoustical Association

■ Canadian Tooling and Machining Association

■ Catgut Acoustical Society

■ Center for Acoustics and Vibration 

■ Coastal Ocean Acoustics Center 

■ Combustion Institute

■ Cooling Tower Institute 

■ Edison Welding Institute

■ European Acoustics Association

■ Hand Tools Institute 

■ Institut für Maschinenwesen 

■ Institute for Mechanics and Materials 

■ Institute of British Foundrymen

■ Institute of Noise Control Engineering

■ Institute of Plumbing 

■ Institute of Technical Acoustics 

■ Institution of Mechanical Engineers 

■ Institution of Mechanical Incorporated Engineers 

■ International Association for Hydraulic Research 

■ International Commission on Acoustics

■ International Society for Boundary Elements 

■ Japan Society of Mechanical Engineers

■ Japan Welding Society 

■ Maurice E. Muller Institute 

■ National Hearing Conservation Association

■ Semiconductor Safety Association

■ Society for Manufacturing Engineers 

■ Society for Experimental Mechanics 

■ Society of Automotive Engineers 

■ Society of CAD Engineers 

■ Welding Institute 

■ Welding Institute of Canada

■ Welding Technology Institute of Australia