EES Facility Services was founded in 1965 as a provider of heating, air conditioning and mechanical services, primarily in the commercial, industrial and institutional market sectors. It is a Dayton, Ohio based company. The Company’s platform was and remains to provide a wide range of offerings to its customers from Mechanical HVAC Services, Building Automation Services, Control Integrations, Energy Performance Contracting, New and Design Build Construction Services, Engineering and guaranteed maintenance agreements.