ANSI | American National Standards |
ASME | American Society of mechanical Engineers |
ISO | International Organization for Standardization |
MSS | Manufacturers Standardization Society of the Valve and Fitting |
ASTM | American Society for Testing Materials |
API | American Petroleum Institute |
ASA | American Supply Association |
ISA | International Society of Automation |
OCIMF | Oil Companies International Marine Forum |
DIN | Detaches Institute fur No |
NACE | National Association of Catering Executives |
PPI | Plastic Pipe Institute |
AWS | American Welding Society |
AWWA | American Water Works Society |
ASHRAE | American Society Heating and Refrigerant Engineering |
IPS | Iranian Petroleum Standard |
AISI | American Iron and Steel Standard |
IGS | Iranian Gas Standard |
BS | British Standard |
NFPA | National Fire Protection Association |
PEI | Petroleum Equipment Institute |
IALA | International Association of Marine Aids to Navigation and Lighthouse Authorities |