Environmental Air Systems services the mechanical needs of businesses and industries throughout the Southeast United States. The company is recognized as a leader in the manufacture of custom air handling units for the biopharmaceutical, food and general industries. It has designed projects, such as chilled water systems, heating systems, variable-air systems, energy recovery systems, pollution control systems, make-up air and ventilation systems and air washers. The company s clients include Merck, Novartis, Duracell, Biogen and Hitachi. EAS was established in 1953 and is located in Greensboro, N.C. It operates an additional office in High Point, N.C.