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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.
Saco Petroleum Inc is a Kansas City, MO-based company in the Energy & Utilities sector.
Big K Industries Inc is a Dickinson, ND-based company in the Energy and Utilities sector.
Gyrodata is an independent service provider delivering precision wellbore placement and evaluation solutions for drilling, completions, and production challenges. For more than 38 years, we have been partnering with leading organizations to develop innovative wellbore surveying technologies to support the most complex Oil & Gas, Unconventional Resources, Civil, and Mining projects around the world.
Welltec is an international provider of robotic well solutions for the oil and gas industry.