AASHTO
American Association of State Highway and Transportation Officials
↳ https://transportation.org/
AGA
American Gas Association
↳ https://www.aga.org/
ANSI
American National Standards Institute
↳ https://www.ansi.org/
API
American Petroleum Institute
↳ https://www.api.org/
APWA
American Public Works Association
↳ https://www.apwa.org/
ASCE
American Society of Civil Engineers
↳ https://www.asce.org/
ASME
American Society of Mechanical Engineers
↳ https://www.asme.org/
AGC
Associated General Contractors of America
↳ https://www.agc.org/
AWWA
American Water Works Association
↳ https://www.awwa.org/
BICSI
Building Industrial Consulting Services International, Inc.
↳ https://www.bicsi.org/
Call Before You Dig
A Common Ground Alliance Initiative
↳ https://811beforeyoudig.com/
CGA
Common Ground Alliance
↳ https://commongroundalliance.com/
EUCI
↳ https://www.euci.com/
GTI
Gas Technology Institute
↳ https://www.gti.energy/
INGAA
Interstate Natural Gas Association of America
↳ https://ingaa.org/
NASEO
National Association of State Energy Officials
↳ https://naseo.org/
NUCA
National Utility Contractors Association
↳ https://nuca.com/
OSHA
Occupational Safety and Health Administration
↳ https://www.osha.gov/
PHMSA
Pipeline and Hazardous Materials Safety Administration
↳ https://www.phmsa.dot.gov/