Petroleum associations
- Alaska Oil and Gas Association
- American Association of Drilling Engineers (AADE)
- American Association of Petroleum Geologists (AAPG)
- Australian Petroleum Production & Exploration Association (APPEA)
- California Independent Petroleum Association (CIPA)
- Canadian Association of Oilwell Drilling Contractors
- Canadian Association of Petroleum Landmen
- Canadian Association of Petroleum Producers
- Chinese American Petroleum Association (CAPA)
- Colorado Oil & Gas Association (COGA)
- Drilling Engineering Association (DEA)
- Illinois Oil & Gas Association (IOGA)
- Indonesian Petroleum Association
- Independent Petroleum Association of America (IPAA)
- Independent Oil & Gas Association of West Virginia
- Japanese Association for Petroleum Technology (JAPT)
- Louisiana Independent Oil and Gas Association
- Michigan Oil and Gas Association (MOGA)
- New Mexico Oil & Gas Association
- Norwegian Oil Industry Association (OLF)
- Ohio Oil and Gas Association (OOGA)
- Oklahoma Independent Petroleum Association
- Petroleum Services Association of Canada (PSAC)
- SCAWeb The Society of Core Analysts
- South African Petroleum Industry Association
- Tennessee Oil & Gas Association (TOGA)
- West Virginia Oil & Natural Gas Association
- Western States Petroleum Association