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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.
Strata Directional Technology Inc is a Houston, TX-based company in the Energy and Utilities sector.
Expro is an international oil and gas service company, specializing in well flow management, headquartered in Reading, United Kingdom.
VISTA PROJECTS LTD. is a Calgary, AB-based company in the Energy and Utilities sector.
g2resources is a Calgary, AB-based company in the Energy and Utilities sector.