Sentry is a full-service construction firm and EPC (Engineering, Procurement, and Construction) contractor based in Watertown and Sioux Falls, South Dakota. The company delivers concept-to-completion solutions across the Midwest. Sentry has a workforce of more than 200 employees and has completed over 500 jobs to date.
The company's operations span several industry verticals, including commercial, industrial, agricultural, and infrastructure projects. Its service model covers engineering, procurement, and construction, providing integrated project delivery from initial design through final build.
