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Paramount Petroleum Corporation is one of the leading companies in the Energy & Utilities sector.
Frontier Energy Services is a Tulsa, OK-based company in the Energy and Utilities sector.
Hartley Company is a Cambridge, OH-based company in the Energy and Utilities sector.
Macfarlane Oil is a Dedham, MA-based company in the Energy and Utilities sector.
NexTier Oilfield Solutions is a leading provider of integrated completions focused on accelerating production in the most demanding US land basins.