Oil and Gas Exploration Trade Associations

American Association of Petroleum Geologists (AAPG)

Global professional society advancing petroleum geoscience through publications, conferences, education, and networking for exploration professionals worldwide.

https://www.aapg.org/ Membership: 14,000

American Exploration & Production Council (AXPC)

National association of leading independent E&P companies advocating upstream policy solutions and educating stakeholders on responsible exploration and development.

https://axpc.org/ Membership: 25

American Petroleum Institute (API)

Largest U.S. oil and natural gas trade association; develops industry standards and advocates policy to promote safe, reliable energy and strong industry performance.

https://www.api.org/ Membership: 600

Association of International Energy Negotiators (AIEN)

Global network of more than 3,000 cross‑border energy negotiators providing model contracts, education, and forums that support upstream dealmaking.

https://www.aien.org/ Membership: 3,000

Energy Workforce & Technology Council (EWTC)

U.S. council representing energy technology, services, and equipment companies; provides advocacy, workforce development, and best‑practice programs for upstream operations.

https://www.energyworkforce.org/ Membership: 600

Independent Petroleum Association of America (IPAA)

National trade association for independent oil and natural gas producers; provides federal advocacy, market intelligence, and high‑level networking to strengthen U.S. exploration and production.

https://www.ipaa.org/ Membership: 10,000

International Association of Drilling Contractors (IADC)

Global association of drilling contractors and suppliers advancing safety, training/accreditation, technology, and advocacy for land and offshore drilling.

https://iadc.org/ Membership: 800

International Association of Oil & Gas Producers (IOGP)

Global forum for upstream operators, NOCs/IOCs, service companies, and associations to share data and good practices, and to engage regulators on safety, efficiency, and sustainability.

https://www.iogp.org/ Membership: 90

National Ocean Industries Association (NOIA)

U.S. offshore energy trade association representing oil, gas, and emerging offshore industries; advances access, regulatory certainty, and offshore safety.

https://www.noia.org/ Membership: 300

New Mexico Oil & Gas Association (NMOGA)

Statewide coalition of companies, individuals, and stakeholders advocating responsible development of New Mexico’s Permian and San Juan Basin resources.

https://www.nmoga.org/ Membership: 200

North Dakota Petroleum Council (NDPC)

Primary voice of North Dakota’s oil and gas industry; represents producers, midstream, service, and allied firms with advocacy, training, and industry programs in the Bakken.

https://www.ndoil.org/ Membership: 550

Offshore Energies UK (OEUK)

United Kingdom’s leading offshore energy trade body (oil, gas, CCUS, hydrogen, wind) providing policy advocacy, data, guidance, and member forums.

https://oeuk.org.uk/ Membership: 400

Permian Basin Petroleum Association (PBPA)

Largest regional oil and natural gas association in the U.S., focused on advocacy, policy, and education for companies operating in the Permian Basin.

https://pbpa.info/ Membership: 1,000

Society of Exploration Geophysicists (SEG)

Global society supporting exploration geophysics; advances geophysical science and its application to subsurface exploration via publications, standards, and events.

https://seg.org/ Membership: 10,000

Society of Petroleum Engineers (SPE)

Worldwide professional society for petroleum engineers and upstream professionals; delivers technical knowledge, standards, conferences (e.g., ATCE), and training.

https://www.spe.org/ Membership: 127,000

Texas Alliance of Energy Producers (TAEP)

Largest statewide association serving independent producers in Texas; provides advocacy at the Railroad Commission, Legislature, and Congress, plus member programs.

https://www.texasalliance.org/ Membership: 2,600

Texas Independent Producers & Royalty Owners Association (TIPRO)

Statewide association representing independent producers and royalty owners in Texas; provides policy advocacy, research, and industry education.

https://tipro.org/ Membership: 3,000

Texas Oil & Gas Association (TXOGA)

Oldest and largest oil and natural gas trade association in Texas; represents the full supply chain and advances policy, economic impact, and safety initiatives.

https://www.txoga.org/ Membership: 5,000

United States Oil & Gas Association (USOGA)

National association (founded 1917) advocating for domestic oil and gas E&P; coordinates with state affiliates and educates policymakers and the public.

https://usoga.org/ Membership: 5,000

Western Energy Alliance (WEA)

Regional trade association for producers and supply‑chain companies across the U.S. Intermountain West; focuses on federal lands access, permitting, and environmental policy.

https://www.westernenergyalliance.org/ Membership: 200