Formed in 1997, Connelly Mechanical Inc. provides a single source for builders and homeowners needing mechanical construction of all types. Located in Springfield, Mo., it provides industrial mechanical services, commercial mechanical services and residential mechanical services. The company is one of the largest heating, air conditioning, sheet metal fabrication and service contractors in the Springfield area. It is an authorized dealer for the best names in the heating, ventilation and air conditioning (HVAC) business, including TRANE, Carrier and York equipment lines. The company has completed projects, such as Hillcrest High School, Fremont School, Springfield Art Museum and Hollywood Theaters.