The akira ransomware group listed Pioneer Construction on its data leak site on 2026-07-15. Sector: Manufacturing Claim as published on the leak site: Established in 1933, Pioneer Construction is headquartered in Grand Rapids, Michigan. They prov ide construction solutions throughout the United States including general contracting, crane se rvices, program management, and more. We will upload 168gb of corporate data soon. Scanned employee personal documents (passports, DL s and other docs), projects information, detailed financials, client internal information, cont racts and agreements, confidential correspondence and other files, NDAs and so on.