Operator List: O | ||
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O'Malley Drilling
(active)
Oak Grove Fabrication (active) Oakland Development Corp. (not active) Oasis Construction (active) Dale H. Oberg Plumbing Company (not active) Oberlin Well Srvc (active) Off-Shore Drilling (not active)
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Olsson, Inc.
(active)
O'Malley Drilling, Inc. (not active) Osborne's Drilling, Inc. (not active) Paul Ott Enterprises (not active) Otto's Well Drilling (not active) Oursler Bros. Construction Co. (not active) Frank Oursler Bros. Construction Co. Inc. (not active)
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