Trade association representing the petroleum refining and petrochemical industries.

Representing the American domestic natural gas industry.

New York State natural gas utility trade association. Activities include maintenance and enhancement of operations of the state natural gas system, research and development, and monitoring of current policy and economic issues.

Developing standards and protocols to support an open and effective wholesale market of natural gas.

The Offshore Contractors' Association (OCA) is the leading representative body for the UK's oil and gas contracting and supply industry. The organization looks after the interests of 62 member companies.

Dedicated to restoring abandoned or orphaned oil sites and educating the community. Industry funded.

Members are petroleum contractors and associate members in related fields. The goal is to provide a strong voice on matters affecting their industry.

Monitors and responds to issues of public lands, exploration, production, transportation, coal bed methane, environment, taxation, legislation and legal matters.

Serving the social and networking needs of those who work in the petroleum industry in western Australia.

PEI member firms are in the mainstream of the petroleum marketing equipment industry.

Association of manufacturers, wellsite service companies and supply companies serving the drilling and production industry.

A nonprofit society, based in Calgary, Alberta Canada.

National database of petroleum industry related companies and services. Members consist of contractors, equipment supplier/contractors, manufacturers and oil companies.

Promotes the international interchange of technical information between industrial, academic, defense and other organizations.

This group aims to strengthen the Oil, Gas, Renewable Energy and Power Generation cluster in Scotland through improved competitiveness and the diversification of companies.