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Black Raven Energy is a Denver, CO-based company in the Energy and Utilities sector.
Northern Offshore Ltd is a Norway-based company that is engaged in the provision of offshore contract drilling equipment and operating services for offshore oil and gas operators. Northern Offshore owns and operates one floating production facility, one
deanenterprises is a Drayton Valley, AB-based company in the Energy & Utilities sector.
The Ohio Oil & Gas Association (OOGA) was founded in 1947 and today is a trade association with over 3,300 members involved in the exploration, production and development of crude oil and natural gas resources within the State of Ohio. OOGA represen...
HollyFrontier Corporation, headquartered in Dallas, Texas, is an independent petroleum refiner and marketer that produces high value light products such as gasoline, diesel fuel, jet fuel and other specialty products. HollyFrontier operates through its subsidiaries a 135,000 barrels per stream day ("bpsd") refinery located in El Dorado, Kansas, a 125,000 bpsd refinery in Tulsa, Oklahoma, a 100,000 bpsd refinery located in Artesia, New Mexico, a 52,000 bpsd refinery located in Cheyenne, Wyoming and a 31,000 bpsd refinery in Woods Cross, Utah. HollyFrontier markets its refined products principally in the Southwest U.S., the Rocky Mountains extending into the Pacific Northwest and in other neighboring Plains states.