The thegentlemen ransomware group listed Zanzi on its data leak site on 2026-04-04. Country: IT Sector: Manufacturing Domains named: zanzi.com, rocketreach.co Claim as published on the leak site: zanzi.com rocketreach.co/zanzi-spa-profile_b420e827fee433b4 Zanzi S.p.A. is an Italian engineering company founded in 1920 by Giovanni Zanzi in Ivrea, Turin, recognized as a global leader in high-performance valve manufacturing for engines. The company serves the aeronautical, motor racing, motorbike racing, and marine diesel sectors, producing mono- and bi-metallic intake/exhaust valves and sodium-cooled hollow valves — a technology they invented and patented in the 1930s