Oil and Gas Business - Oil Companies

Site Listings:

A Brief History of Major Oil Companies in the Gulf Region - (APAG) by Eric V. Thompson.
CAPP's Producer Members - (Canadian Association of Petroleum Producers) Alphabetical list of Canadian Petroleum Producers
Edgar Listings - Crude Petroleum and Natural Gas - (U.S. Securities and Exchange Commission) Public filings, annual reports etc for SEC-registered companies
Grampian Oil and Gas Directory - Database of 900 companies in North East Scotland
Oil and Gas Companies - (Mainz University) List of companies worldwide
Petroassist: Oil and Gas Companies - Large alphabetic list with contact information for oil and gas companies worldwide
Swiftdale Oil Field Directory - Oil and Gas Companies - (Swiftdale.co.uk) Annotated list of upstream and downstream companies