BG Group Integrated natural gas company, including exploration, production, storage, transportation and distribution. http://www.bg-group.com/ Bg-group.com~Site InfoWhoisTrace RouteRBL Check
PetroChina Large integrated company operating in China. Exploration and production, refining, petrochemicals and retail marketing. Transmission and sales of natural gas. http://www.petrochina.com.cn/ Petrochina.com.cn~Site InfoWhoisTrace RouteRBL Check
OMV Oil Vertically integrated organization operating in central and eastern Europe. Carries on international exploration and production activities outside this core region. Based in Austria. http://omv.com/ Omv.com~Site InfoWhoisTrace RouteRBL Check
Saudi Aramco Saudi Arabian Oil Company produces, manufactures, markets and ships crude oil, natural gas and petroleum products to meet the global demand. http://www.saudiaramco.com/ Saudiaramco.com~Site InfoWhoisTrace RouteRBL Check
Texaco Inc. Texaco Inc. finds and produces oil and natural gas; manufactures and markets fuels and lubricants; operates trading, transportation and distribution facilities; and produces alternate forms of energy. http://www.texaco.com Texaco.com~Site InfoWhoisTrace RouteRBL Check
Petrobras Brazilian oil producer with refineries, production and exploration areas, pipelines, and terminals. Includes a classroom to learn more about the industry. http://www2.petrobras.com.br/ingles/index.asp Petrobras.com.br~Site InfoWhoisTrace RouteRBL Check
Rompetrol Vertically integrated company operating in Romania. Also a oilfield service company managing projects internationally. http://www.rompetrol.com/ Rompetrol.com~Site InfoWhoisTrace RouteRBL Check