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Petroleum Helicopters International, Inc., is an American commercial helicopter operator, founded in 1949, by Robert L.
Pro Drill Oilfiled Services Ltd. is a Edmonton, AB-based company in the Energy & Utilities sector.
Severstal is one of the world’s leading vertically integrated steel and steel related mining companies. With approximately 63,000 employees, we have assets in Russia, the USA, the Ukraine, Latvia, Poland, Italy, Liberia as well as investments in Brazil. Severstal is listed on MICEX/RTS, GDRs are traded on the LSE.
Dittmer Concrete Inc is a West Fargo, ND-based company in the Energy and Utilities sector.
ironhanddrilling is a Calgary, AB-based company in the Energy & Utilities sector.