The metaencryptor ransomware group listed Promantra, Inc. on its data leak site on 2026-11-12. Country: US Sector: Technology Domains named: promantra.us Claim as published on the leak site: ProMantra, Inc. is a US-based healthcare IT and business process outsourcing (BPO) company founded in 2003 and headquartered in Somerset, New Jersey. The company specializes in Revenue Cycle Management (RCM), medical billing, medical coding, claims processing, and healthcare administrative services. It serves hospitals, physician groups, medical practices, and other healthcare organizations, primarily in the US, with operational delivery centers in India. Data size: 50 GB Revenue: USD 50M