Top 4 Large-Cap Stocks In The Oil & Gas Drilling & Exploration Industry With The Highest ROI

Below are the top large-cap oil & gas drilling & exploration stocks on the NYSE and the NASDAQ in terms of return on investment.

The trailing-twelve-month return on investment at CNOOC Ltd. (NYSE: CEO) is 11.40%. CNOOC's PEG ratio is 1.13.

The trailing-twelve-month return on investment at Cenovus Energy Inc. (NYSE: CVE) is 9.10%. Cenovus Energy's operating margin for the same period is 11.00%.

The trailing-twelve-month return on investment at Concho Resources, Inc. (NYSE: CXO) is 6.30%. Concho Resources' revenue for the same period is $2.70 billion.

The trailing-twelve-month return on investment at Petróleo Brasileiro S.A. - Petrobras (NYSE: PBR) is 2.20%. Petrobras' EPS for the same period is $1.09.