The thegentlemen ransomware group listed Oldelval Oleoductos del Valle on its data leak site on 2026-07-23. Country: AR Sector: Energy & Utilities Domains named: oldelval.com, zoominfo.com Claim as published on the leak site: ***.com zoominfo.com/c/oleoductos-del-valle-sa/456337922 Oldelval (Oleoductos del Valle S.A.) is a leading Argentine midstream energy company specializing in the transportation of liquid hydrocarbons. Based in Cipolletti, Río Negro, it transports over 50% of the oil produced in Argentina and approximately 80% of the oil from the Neuquén Basin. With over 60 years of history, the company focuses on sustainable operations, safety, and infrastructure maintenance, having recently extended its national concession until 2037.