National Organizations
- AAPG Home Page
- AAPG Division of Environmental Geosciences (DEG)
- AAPG Division of Professional Affairs (DPA)
- AAPG Group Insurance (members residing outside the US)
- American Geological Institute
- American Institute of Professional Geologists (AIPG)
- Association of American State Geologists
- Asociación Argentina de Sedimentología (AAS)
- Association of Engineering Geologists (AEG)
- British Geological Survey
- Canadian Society of Petroleum Geologists
- Energistics
- GRI Net (Gas Research Institute)
- Geological Society of America
- German Geological Survey (BGR)
- Inter-American Water Resources Network
- International Union of Geological Sciences
- National Groundwater Association
- Oil-Link
- Petroleum Exploration Society of Australia (PESA)
- Petroleum Technology Transfer Council (PTTC)
- Society for Sedimentary Geology (SEPM)
- Society of Exploration Geophysicists
- Society of Petroleum Engineers (SPE)
- Society of Professional Well Log Analysts
- The Society for Organic Petrology (TSOP)
Local Organizations
- AAPG Eastern Section
- Alaska Geological Society
- Austin Geological Society
- Colorado Scientific Society
- Dallas Geological Society
- Houston Geological Society
- Kansas Geological Survey
- Nevada Petroleum Society
- New Orleans Geological Society
- Rocky Mountain Association of Geologists
- South Texas Geological Society
- Utah Geological Society
- West Texas Geological Society