ADM Energy plc focuses on investments in the oil and gas sector, primarily in the United States. The company holds interests in various upstream oil and gas assets, including a 100% equity interest in Vega Oil & Gas, LLC, which operates wells in Texas, and a 100% working interest in the Altoona Lease in California. Additionally, ADM Energy has a stake in reclamation businesses that recover crude oil from waste streams. Its customer base includes energy companies and stakeholders in the oil and gas industry, with operations centered in the U.S. and a strategic focus on enhancing production and recovery techniques.