Oke-Thomas+associates, Inc., 1972 E Chestnut Expy, Springfield, MO 65802, US

Springfield Engineering Company is a family-owned business that manufactures heating, air conditioning, piping and plumbing systems. The company designs and installs various types of systems, including air exchangers, packaged rooftop units, air handlers, natural gas piping and backflow equipment. It also installs sanitary waste and vent systems, sewage treatment plants, site utilities, plumbing fixtures and trim, domestic water systems and water softener systems. The company specializes in the service of computer room units, heat pumps, boilers, air exchangers, energy management systems, cooling towers and centrifugal chillers. It offers indoor air quality analysis and implementation, lighting efficiency upgrades, airflow balance and backflow testing services. Springfield Engineering Company has been operational for more than 50 years and is located in Springfield, Mo.