The qilin ransomware group listed gmcontractinginc.com on its data leak site on 2025-08-28. Country: US Sector: Manufacturing Domains named: gmcontractinginc.com, www.gmcontractinginc.com Claim as published on the leak site: GM Contracting offers a full range of residential utility construction services. GM Contracting has years of residential experience with water and sewer utilities. In addition to traditional construction methods, GM Contracting is a full serv ...