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Petroleum Helicopters International, Inc., is an American commercial helicopter operator, founded in 1949, by Robert L.
Clean Line Concrete Inc is a Coronado, CA-based company in the Energy & Utilities sector.
Big K Industries Inc is a Dickinson, ND-based company in the Energy and Utilities sector.
Perf-O-Log Inc is a New Iberia, LA-based company in the Energy and Utilities sector.
Klabzuba Oil Gas is a Havre, MT-based company in the Energy & Utilities sector.