The metaencryptor ransomware group listed Lee Hartman & Sons on its data leak site on 2025-01-27. Country: US Sector: Professional Services Domains named: leehartman.com Claim as published on the leak site: Lee Hartman & Sons, Inc., provides design, engineering, installation, service and rental services of audiovisual, presentation, videoconferencing, video-streaming, digital signage, video-production, and broadcast solutions in the Mid Atlantic Region of United States. The company was established in 1936. Revenue $18.5 Million