J.F. Lehman & Company-backed Crystal Clean, a provider of specialized environmental and waste management solutions, completed the acquisition of Envirosafe Services of Ohio, a waste disposal and treatment services provider. Financial terms were not disclosed. "The acquisition of Envirosafe immediately enhances our hazardous waste infrastructure and processing capabilities, and will allow us to better support our growing customer base. We are pleased to welcome Envirosafe's team members into Crystal Clean," Glenn Shor, Crystal Clean Chairman.