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Cleghorn Oil Inc is a Fitchburg, MA-based company in the Energy and Utilities sector.
RigEye Services is a Denver, CO-based company in the Energy and Utilities sector.
Goolsby Brothers and Assoc. is a Centennial, CO-based company in the Energy and Utilities sector.
Tyree Oil is a Eugene, OR-based company in the Energy and Utilities sector.
Petróleo Brasileiro S.A. é uma empresa de capital aberto, cujo acionista majoritário é o Governo do Brasil, sendo, portanto, uma empresa estatal de economia mista.