|
American
National Standards Institute
www.ansi.org
|
|
American
Society of Mechanical Engineers
www.asme.org
|
|
American
Petroleum Institute
www.api.org
|
|
American
Society for Testing and Materials
www.astm.org
|
|
International
Organization for Standardization
www.iso.ch
|
|
The
Instrumentation, Systems, and Automation Society
www.isa.org
|
|
Valve
Manufacturers Association
www.vma.org
|
|
American
Supply Association
www.asa.net
|
