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Marathon Oil Corporation (NYSE: MRO) is an independent international exploration and production company. Based in Houston, Texas, Marathon Oil had net proved reserves at the end of 2011 of 1.8 billion barrels of oil equivalent in North America, Europe and Africa.
Plains All American Pipeline, L.P. (NYSE: PAA) is a publicly traded master limited partnership that provides midstream energy infrastructure and logistics services for crude oil, natural gas liquids (“NGL”), natural gas and refined products. PAA owns an extensive network of pipeline transportation, terminalling, storage and gathering assets in key crude oil and NGL producing basins and transportation corridors and at major market hubs in the United States and Canada. On average, PAA handles over 4.5 million barrels per day of crude oil and NGL on its transportation assets. PAA is headquartered in Houston, Texas.
North Suburban Inc is a Saint Paul, MN-based company in the Energy and Utilities sector.
Jasper Oil Company is a Spring, TX-based company in the Energy and Utilities sector.
calmena energy services is a Calgary, AB-based company in the Energy and Utilities sector.