- America Association of Petroleum Geologists (AAPG)
On-line AAPG Bulletin, searchable databases for members, consultants, students, discussion group, Explorer on-line preview, & annual meeting news.
- American Geophysical Union (AGU)
Announcements, news, publications & more.
- American Petroleum Institute
News, online services, petroleum facts and more.
- Association of American State Geologists
An index map, contact infoormation, and Web links for state geological surveys.
- Petroleum Technology Transfer Council National Home Page
Resource links, events, publications, forums, from this organization dedicated to getting effective technologies out to the domestic producer.
- Society for Sedimentary Geology (SEPM)
On-line journals, membership information, newsletter, events, research groups, and more.
- Society of Exploration Geophysicists (SEG)
Search publications and membership, information on meetings and events, and much more.
- Society of Petroleum Engineers
Events, great SPE paper search, browse journal contents by issue, membership services, comprehensive PE