Marksmen Energy Inc. functions as an oil and natural gas enterprise, primarily concentrating on the exploration, development, and extraction of crude oil. The company's operations extend across Ohio in the United States and into Alberta, Canada. Notably, it holds significant ownership in two Ohio properties located in Pickaway County: a 75% interest in the Davis Holbrook oilfield and a 50% interest in Walker Sheets. Originally incorporated in 1997 as Marksmen Resources Ltd., the company rebranded to Marksmen Energy Inc. in August 2010. Its corporate headquarters are situated in Calgary, Canada.