Mariano Batistella

Petrolera Entre Lomas SA is a hydrocarbons exploration and exploitation Company. It is engaged in the production of Oil and Gas in Cuenca Neuquina. The company was founded in 1968 and is headquartered in Río Negro, Argentina.

Part of Pampa Energía SA, Ecuadortlc SA is an Ecuadorean company that owns and operates oilfields. The company is based in Quito, Ecuador. Ecuadortlc was acquired by Pecom Energía SA on July 26, 2001.

Part of Pampa Energía SA, Hidroeléctrica Los Nihuiles SA is a company based in Mendoza, Argentina that generates and distributes electricity.

Inversora Nihuiles SA is an investing company. It is engaged in financing services including investment activities in shares, securities, brokerage activities and securitization. The company was founded on February 16, 1994 and is headquartered in Mendoza, Argentina.

Inversora Diamante SA is a financial vehicle based in Buenos Aires, Argentina. In 2006, it was acquired by Pampa Energía SA from the Government of France.

Oleoductos del Valle SA operates a hydrocarbon transport system. The firm is involved in the development, operation and maintenance of pipelines, that constitute a comprehensive net that spreads from Rincon de los Sauces and Plaza Huincul in the province of Neuquén, goes through Río Negro and La Pampa provinces, to Puerto Rosales in Bahía Blanca, Buenos Aires province. The company was founded in December 1992 and is headquartered in Cipolletti, Argentina.