American Association of Petroleum Geologists

The world's largest professional geological society. Provides publications, conferences, and educational opportunities to geoscientists and delivers current geological information to the general public.

	Website
	144 South Boulder Tulsa OK 74119 USA

American Petroleum Institute

Represents more than 400 members involved in all aspects of the oil and natural gas industry.

	Website
	1220 L Street Washington DC 20005-4070 USA

Association of Diving Contractors International (ADC)

Organization with the aim to promote the art and science of commercial diving, establish uniform safe standards for commercial divers, and encourage industry-wide observance of these standards.

	Website
	5206 FM 1960 West Ste. 202 Houston TX 77069 USA

Association of Drilling Engineers

A volunteer organization made up of an affiliation of independent chapters licensed and governed by a national board.

	Website
	2301 Belmont Place Metairie LA 70001-1707 USA

Association of Oil Pipe Lines

Organisation that acts as an information clearing house for the public, the media and the pipeline industry.

	Website
	1101 Vermont Avenue Suite 604 Washington DC 20005 USA

Association of Well Head Equipment Manufacturers

Aims to influence value-added standardization of well head and related equipment and to serve as technical consultants to national and international standards bodies.

	Website
	PO Box 1166 Bellaire Texas 77402 USA

Canadian Association of Oilwell Drilling Contractors

A trade association representing drilling and service rig contractors throughout Canada.

	Website
	800, 540 - 5 Avenue SW Calgary T2P OM2 Canada

Canadian Association of Oilwell Drilling Contractors

A trade association representing drilling and service rig contractors throughout Canada.

	Website
	800, 540 - 5 Avenue SW Calgary T2P OM2 Canada

Canadian Petroleum Safety Council (PSC)

Aims to achieve continuous improvement in health and safety in the petroleum industry.

	Website
	1538 - 25 Avenue NE Calgary AB T2E 8Y3 Canada

Canadian Society of Exploration Geophysicists

Aims to promote the science of geophysics and the fellowship and co-operation among those persons interested in geophysical prospecting.

	Website
	905, 510 - 5th Street S.W. Calgary T2P 3S2 Canada