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Clearstream is a leading European supplier of post-trading services. The wholly owned subsidiary of Deutsche Börse ensures that cash and securities are promptly and effectively delivered between trading parties. It also manages, safekeeps and administers the securities that it holds on behalf of its customers. Over 300,000 domestic and internationally traded bonds, equities and investment funds are currently deposited with Clearstream.
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.
Centennial Gas Liquids is a Littleton, CO-based company in the Energy and Utilities sector.
Dittmer Concrete Inc is a West Fargo, ND-based company in the Energy and Utilities sector.
Atlantic Marine Services is a Miami, FL-based company in the Energy and Utilities sector.