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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.
Panther Energy Company LLC is a Tulsa, OK-based company in the Energy & Utilities sector.
Pintail Completions is a company that specializes in emissions-friendly horizontal wireline completions for the oil and gas industry.
Newfield Exploration Company (NYSE:NFX) is an independent energy company headquartered in the Woodlands, Texas. Newfield is engaged in the exploration, development and production of crude oil, natural gas and natural gas liquids. The Company relies on a proven strategy of growing reserves through an active drilling program and select acquisitions. Newfield`s principal domestic areas of operation include the Mid-Continent, the Rocky Mountains and onshore Texas. Internationally, the Company focuses on offshore oil developments in Malaysia and China.
Sojitz Corporation is a sogo shosha based in Tokyo, Japan.