Occidental Petroleum Corp.
Occidental petroleum corporation - helping provide energy for tomorrow's world
http://www.oxy.com/
Dolphin Energy
Dolphin Energy
http://www.dolphinenergy.com/
Dohe Petroleum Construction
Dohe Petroleum Construction
http://www.dopet.com/
Qalco Lubricants
Qalco :: qatar lubricants co - qatar's premier oil company gasoline petrol engine oils diesel engine oil hydraulic oils transmission fluids gear oil compressor oil turbine oils
http://www.qalco.net/
Qatar Chemical Company
Qatar Chemical Company
http://www.qchem.com.qa/
Qatarization
Qatarization
http://www.qatarization.com.qa/
Qatargas
Qatargas
http://www.qatargas.com/
Qatar petrochemical Company
Qatar petrochemical Company
http://www.qapco.com/
Rasgas
Rasgas
http://www.rasgas.com/