Oil Online - online service for oil and gas industry, provides industry news, and marketing info, stocks and oil prices, job and product listings, and classified ads.

Oil.com - directory and news resource for the oil and gas industries, including exploration, engineering, production, and offshore construction.

Pipeline Industry Directory - free reference source to companies in the oil, gas, pigging, wastewater and associated pipeline industries world-wide.

Oil and Gas Online - information on manufacturing, technology, exploration, equipment, and supplies. Offers a discussion forum, chat, newsletter, and software.

Energy Connection, The - devoted to oil and gas resources

Web Directory: Undergroundinfo.com - journals, trade shows, links

Oilfield.com - offering equipment auctions and sales, petroleum job postings, geologist and engineer supplies, and daily oil prices.

Schlumberger Oilfield Glossary - provides definitions and illustrations of oilfield terminology for the technical generalist.

PetroAssist.com - offers technical and commercial information.

Petrol Plaza - online portal serving the petroleum equipment retail industry. Includes news, classified ads, and industry publications.

New Fuel Now - provides quotes for all major oil stocks, oil prices, gas stocks, and energy stocks.

Petro International - global database of technical and commercial resources for the petroleum, petrochemical, refining, and pipeline industries.

Energy Listings - online source for unbiased presentations of petroleum industry endeavors. Energy Listings provides tools to locate and promote oil and gas assets including producing properties, drilling prospects, royalty interests, and mineral leases