Sentry delivers comprehensive construction solutions for renewable energy facilities across the Midwest. From biogas digesters to ethanol production plants, our self-perform capabilities and experienced teams support the development of facilities that drive sustainable energy production and agricultural innovation.
Sentry offers General Contracting, Construction Management, Design-Build, and EPC delivery models. What sets us apart is our ability to self-perform critical scopes, giving owners greater schedule control and predictable results. Divisions include Electrical, Mechanical (Plumbing/HVAC), Controls & Automation (UL-listed OEM panels), Structural Steel, Manufacturing, Crane Service, and FieldWorks.
Full service engineering, procurement, and construction for renewable energy facilities
Licensed electricians, electrical engineers, and project managers specializing in power generation systems
Plumbing and mechanical contractors experienced with process systems and biogas handling
UL-listed OEM panels and control systems for energy production monitoring and optimization
Renewable energy facilities require precise integration of complex process systems and continuous operation to maximize returns. Our project management teams coordinate every phase with precision, ensuring seamless installation of digesters, biogas systems, and production equipment. We understand that downtime means lost revenue, so we plan meticulously to minimize disruption and deliver facilities ready for reliable, long-term operation.
We manage and self-perform commercial construction projects across South Dakota and the Midwest.
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?