Marathon Oil Corporation
TX, USA Marathon Oil Corporation is engaged in the business of exploration and production of crude oil & nat More...
www.marathon.com

Chevron
California, USA Chevron is an energy resource and project development company. We engage in oil and natural gas indu More...
www.chevron.com/countries/usa

Tesoro Petroleum
Texas, USA Tesoro Petroleum is a refiner and marketer of petroleum products. Our business includes refining, re More...
www.tesoropetroleum.com

Teppco Partners
Texas, USA Teppco Partners designs, installs, tests, operates and maintains pipelines to meet regulator standar More...
www.teppco.com

Sinclair Oil Corporation
UT, USA Sinclair Oil Corporation is engaged in the exploration and production of oil and natural gas. We pro More...
www.sinclairoil.com

Quicksilver Resources,Inc.
TX, USA Quicksilver Resources Inc. is a natural gas and crude oil exploration & production company. We engag More...
www.qrinc.com

Pogo Producing Company
TX, USA Pogo Producing Company is engaged in the exploration, development, and production of oil & natural g More...
www.pogoproducing.com

Petron Industries Inc.
Texas, USA Petron Industries Inc. is a manufacturer and supplier of drilling instrumentation and control system More...
www.petronworld.com

Newfield Exploration Company
TX, USA Newfield Exploration Company is a crude oil and natural gas exploration & production company. We dri More...
www.newfld.com

Murphy Oil Corporation
AR, USA Murphy Oil Corporation is an oil & gas exploration and production company. We focus on providing pet More...
www.murphyoilcorp.com

Knowledge Systems
TX, USA Knowledge Systems is a provider of software & services that improve well planning & drilling for the More...
www.knowsys.com

Key Energy Services
TX, USA Key Energy Services is a rig-based well services company in the industry. Our services include well More...
www.keyenergy.com

Ivanhoe Energy Inc
CA, USA Ivanhoe Energy is an oil & gas exploration and development company. We deal with heavy oil upgrading More...
www.ivanhoe-energy.com

Exxon Mobil Corporation
TX, USA Exxon Mobil Corporation is a petroleum and petrochemical company. Our activities range from the expl More...
www.exxon.mobil.com

Edge Petroleum Corporation
Texas, USA Edge Petroleum Corporation is an energy company engaged in exploration, development and production o More...
www.edgepet.com

Dominion
LA, USA Dominion is an energy producing company. We provide gas transportation and storage services. We serv More...
www.dom.com

Denbury Resources
TX, USA Denbury Resources is an independent oil and gas company. Our pipe lines are safest and least costly More...
www.denbury.com

Clayton Williams Energy
TX, USA Clayton Williams Energy is an independent exploration & production company that develops & produces More...
www.claytonwilliams.com

Chesapeake Energy Corporation
OK, USA Chesapeake Energy Corporation is a producer of natural gas. We focus on exploratory and developmenta More...
www.chkenergy.com

Callon Petroleum Company
MS, USA Callon Petroleum Company focuses on the exploration, development and operation of oil & gas industry More...
www.callon.com