Petróleo Brasileiro S.A. – Petrobras (NYSE:PBR) is included among the 15 Best High Yield Energy Stocks to Buy Right Now. Petrobras (PBR) Discovers 'High Quality' Oil Offshore Brazil Petróleo Brasileiro S.A. – Petrobras (NYSE:PBR) is one of the largest oil and gas producers in the world. The Brazilian company is mainly dedicated to exploration and production, refining, energy generation, and marketing. Petróleo Brasileiro S.A. – Petrobras (NYSE:PBR) revealed on March 26 that it had made a new discovery ⁠ ...