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Petroleum Helicopters International, Inc., is an American commercial helicopter operator, founded in 1949, by Robert L.
Econo is a Nepean, ON-based company in the Energy & Utilities sector.
Browning Oil Co. Inc is a Dallas, TX-based company in the Energy and Utilities sector.
Sanchez Oil & Gas Corp. is a Laredo, TX-based company in the Energy & Utilities sector.