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Petroleum Helicopters International, Inc., is an American commercial helicopter operator, founded in 1949, by Robert L.
Ghalib Enterprises is a Chicago, IL-based company in the Energy and Utilities sector.
The Balf Co is a Newington, CT-based company in the Energy and Utilities sector.
Tooke Rockies is a Casper, WY-based company in the Energy and Utilities sector.
Go Wireline is a premier wireline and pressure pumping provider in the oil and gas industry, with locations in Williston, ND, Dickinson, ND, and Greeley, CO.