Midwestern Mechanical Employee Directory
ConstructionSouth Dakota, United States51-200 Employees
Midwestern Mechanical is a contracting firm that provides plumbing, heating, HVAC, and fire protection services. It serves a four-state region and maintains offices in Sioux Falls, South Dakota, and Spencer, Iowa. Founded in 1983, the company relies on a sizable, long-tenured workforce of experienced professionals. Its client base includes public- and private-sector organizations in highly specialized industries, seeking integrated solutions from installation through ongoing service. In 2026, the firm expanded its footprint with additional offices in Custer to better support customers in Hot Springs and Custer, and to broaden its service area. The company has been recognized for workforce development, receiving a Workforce Excellence Award in 2022 for its apprenticeship program.