HGA is affiliated with organizations that encourage diversity and promote technological advancements:
- Gas Processors Suppliers Association
- NGVAmerica
- Pipeliners Association of Houston
- National Safety Council
- Louisiana Oil & Gas Association (LOGA)
- Engineering and Construction Contracting Association (ECC)
- Houston Gas Processors Association
- National Emergency Management Association (NEMA)
- Louisiana Flood Plain Management Association
- Association of State Floodplain Managers (ASFM)
- Project Management Professional (PMP)