The thegentlemen ransomware group listed Mann Group on its data leak site on 2026-10-31. Country: AU Sector: Manufacturing Domains named: manngroup.com.au Claim as published on the leak site: manngroup.com.au Mann Group is an Australian multi-disciplinary engineering and construction company founded in 1992 in Sydney, operating through eight subsidiaries including Mechtronic Engineering, Mann Fab, Mann Energy, Mann Enviro and Mann Solar. With 350 plus employees, it is Australia's leading provider of thermal, electrical, environmental and sanitary engineering solutions. The group covers pipe fabrication, structural steel, pressure vessels, industrial boilers, HVAC, waste-to-energy and