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Walworth is a Stafford, TX-based company in the Energy and Utilities sector.
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.
We are ChampionX. Formerly Nalco Champion upstream, we bring more than 90 years of expertise and innovation to solve the toughest oil and gas challenges across reservoir, production, midstream and water applications.
Patterson-UTI Energy, Inc. is a provider of contract drilling business. It operates primarily in Texas, New Mexico, Oklahoma, Arkansas, Louisiana, Mississippi, Alabama, Colorado, Arizona, Utah, Wyoming, Montana, North Dakota, South Dakota, Pennsylvania,
ironhanddrilling is a Calgary, AB-based company in the Energy and Utilities sector.