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Black Raven Energy is a Denver, CO-based company in the Energy and Utilities sector.
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.
The Sprint Companies is a Houston, TX-based company in the Energy and Utilities sector.
Mudsmith`s Pitless Pad Drilling System is completely self-contained, requiring no additional rentals, and no air, electrical power, or labor borrowed from the drilling rig. Mudsmith even provides the vacuum trucks for hauling in all drilling fluids, and hauling away all drilling wastes, significantly reducing number of vendors required to drill a well.
Petroleum Helicopters International, Inc., is an American commercial helicopter operator, founded in 1949, by Robert L.