The thegentlemen ransomware group listed Grundbaulabor Trier on its data leak site on 2026-10-31. Country: DE Sector: Manufacturing Domains named: gbl-trier.de Claim as published on the leak site: gbl-trier.de Grundbaulabor Trier is a German geotechnical engineering firm founded in 1960 in Trier by Dr. Paul Lehmann, now run by the third generation of the Lehmann family with 23 qualified engineers. It has completed over 20,000 projects in soil investigation, foundation design, construction supervision, environmental contamination assessment and hydrogeology across Rhineland-Palatinate, Saarland and Luxembourg. The firm operates its own soil mechanics laboratory offering fast and reliable s