The lynx ransomware group listed marquscompanies.com on its data leak site on 2025-10-21. Country: US Sector: Healthcare Domains named: marquscompanies.com Claim as published on the leak site: Marquis Companies offers healthcare services. The Company offers assisted living services, rehabilitation services, alzheimer care, and residential care services. Marquis Companies founded in 1989 and is headquartered in Milwaukie, Oregon.