The qilin ransomware group listed northernconstruction.com on its data leak site on 2025-08-12. Country: US Sector: Manufacturing Domains named: northernconstruction.com, www.northernconstruction.com, 1.the Claim as published on the leak site: Northern Construction Service, LLC is a Massachusetts-based general contractor specializing in bridge construction, construction site work, port and harbor work, concrete work, and utility services. 1.The document consists of two invoices fr ...