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ReconAfrica is a Canadian-based oil and gas company working collaboratively with national governments to explore oil and gas potential in Northeast Namibia and Northwest Botswana – the Kavango Sedimentary Basin.
Emerald Excavating Co Inc is a Plymouth, MA-based company in the Energy and Utilities sector.
Lo VAC Inc is a Lottie, LA-based company in the Energy & Utilities sector.
Southwestern Energy (also known as SWN, NYSE: SWN) is an oil and natural gas company based in Houston. Texas. Its primary current activity is, according to the company, "current operations being principally focused on development of the unconventional gas reservoir located on the Arkansas side of the Arkoma Basin"
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.