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Katzen International is a Cincinnati, OH-based company in the Energy and Utilities sector.
Ruekert is a Waukesha, WI-based company in the Energy and Utilities sector.
3D Drilling Tools Inc is a Edmonton, AB-based company in the Energy and Utilities sector.
Frontera Energy Corporation is a Canadian public company involved in the exploration, development, production, transportation, storage and sale of oil and natural gas in South America, including related investments in both upstream and midstream facilities. The Company has a diversified portfolio of assets with interests in 34 exploration and production blocks in Colombia, Ecuador and Guyana, and pipeline and port facilities in Colombia. Frontera is committed to conducting business safely and in a socially, environmentally and ethically responsible manner.
Whiting Petroleum Corporation is one of the leading companies in Energy and Utilities industry. Whiting Petroleum Corporation is based in Denver, CO. You can find more information on Whiting Petroleum Corporation at www.whiting.com