Work We've done

502 Main Multi-Use Building

New Rockford Water Treatment Plant

Redfield Ambulance Building

The Blu at Lake Lorraine

Capitol Carwash

SDSU Feedmill Upgrade

Kingbrook Rural Water Pump

Join Our Team

Sentry is looking for people who are, hardworking, optimistic, and passionate about what they do. 

Sentry is a family-friendly workplace that respects a person’s desire to work hard and still have enough time off to be home with the people they care about.

Want to join a team of leaders in North Dakota?