The American Institute of Professional Geologists (AIPG), founded in 1963, is the largest association dedicated to promoting geology as a profession. It presently has more than 6,000 members in the U.S. and abroad, organized into 36 regional Sections. The Institute adheres to the principles of professional responsibility and public service and is the only international organization that certifies the competence and ethical conduct of geological scientists in all branches of the science with members employed in industry, government, and academia. AIPG emphasizes competence, integrity and ethics. AIPG is an advocate for the profession and communicates regularly to federal and state legislators and agencies on matters pertaining to the geosciences.

environmental geology economic geology petroleum mining environmental site assessment earth science sedimentology engineering geology geophysics geomorphology field geology management natural gas forensic geology volcanology waste disposal water resources geochemistry coal construction materials exploration computer applications geologic modeling hydrogeology hazardous waste industrial minerals land reclamation structural geology stratigraphy remote sensing petrography/petrology