Dover Chemical
Producer of alkyphenols, chlorinated paraffins, polymer additives, liquid and solid antioxidants (including organophosphites), flame retardants, and additives for water-based and oil-based metalworking fluids.
http://www.doverchem.com/

CSIRO Petroleum -- Petroleum Geochemistry Group
Australian-based commercial petroleum exploration firm (a sub-group of the Commonwealth Scientific and Industrial Research Organisation) offering multiple geochemical techniques. Lists analytical capabilities, along with descriptions of how various techniques can be helpful in exploration and oil field appraisal.
http://www-old.dpr.csiro.au/research/erp.html

Adventures in Energy
American Petroleum Institute site provides information on origin of petroleum, industrial technology, and petroleum products.
http://www.adventuresinenergy.com/

National Petroleum Equipment, Inc.
Selling new and used petroleum equipment parts and equipment while offering quality used and reconditioned gasoline dispensing equipment.
http://www.nationalpetroleum.net/

Centre for Petroleum Information
Official web site of the Centre for Petroleum Information (CPI), publishers of the Petroleum Business Digest, the CPI journal.The Digest carries the most authoritative commentary on petroleum business in Nigeria, OPEC’s fifth largest oil exporter.It also provides executive briefs covering activities and Nigerian opportunities upstream, downstream, industry and finance and investment as well as global petroleum business.
http://www.petroinfonigeria.com

Australian Institute of Petroleum
The Australian Institute of Petroleum is a key representative body of Australia's petroleum industry.
http://www.aip.com.au/

Petroleum Engineer
www.PetroleumEngineer.com is a petroleum engineer job listing and recruiting site for petroleum engineers and related petroleum engineering and oil industry jobs.
http://www.petroleumengineer.com/

Getty Petroleum Marketing, Inc.
Getty Petroleum Marketing Inc. is one of the nation's largest marketers of petroleum products and has sold and distributed on average one billion gallons of petroleum products per year over the past five years. The Company operates in a twelve-state area in the Northeast and Mid-Atlantic regions of the United States. Its distribution system consists of ten proprietary petroleum terminals, 17 thruput and exchange terminals, a large fleet of trucks and other delivery vehicles and 1,263 retail outlets
http://www.getty.com/

Rakhit Petroleum Consulting Ltd.
Rakhit provides petroleum hydrogeology, hydrodynamics, geology, geochemistry and petrophysics consulting services to clients worldwide.
http://rpcl.com/

Runbo Oil & Chemical Co., Ltd.
Produces and sells white oil, petroleum jelly, petroleum resin and other petrochemicals.
http://www.runbo.com/