Gryphon Investors-backed HEPACO, a provider of environmental and emergency response services across 45 offices in the Eastern United States, completed the acquisition of Evergreen AES, a professional environmental contractor specializing in emergency response, environmental remediation, industrial services, and waste management. Financial terms were not disclosed. "We are excited to welcome an impressive and talented Evergreen AES team to the HEPACO family. This regional acquisition will immediately expand our ability to service clients across the Mid-Central and Midwest regions, and we look forward to providing best-in-class emergency response and environmental service solutions to HEPACO and Evergreen AES customers across our growing footprint," Ken Smith, HEPACO Chief Executive Officer.