The bianlian ransomware group listed Suburban Laboratories on its data leak site on 2023-02-17. Sector: Professional Services Domains named: suburbanlabs.com Claim as published on the leak site: Suburban Laboratories was founded in 1936. The original lab was located in Cicero, Illinois where it remained for over 30 years. In 1970 the lab was purchased by three professional engineers; Dr. Fred Gurnham, Robert Konvalinka and Earl Rosenberg.