502 Main Project


Customer: Black River Holdings LLC

Location: Lake Norden, SD

Duration: 13 months

Sentry Divisions Utilized: Project Management 

Black River Holdings hired Sentry as the General Contractor for the construction of their large, multi-use office building in Lake Norden, SD. A Project Manager was assigned and coordinated all subcontractors, logistics, owner updates, and scheduling. 

Sentry’s Electrical department executed a design build process, both engineering and wiring the building. South Dakota Service performed the steel erection as well as Sentry-manufactured-accessory installation and crane work. The three-story steel/wood framed building serves as Black River’s corporate headquarters, contains 11 apartments, and has commercial retail space on the entire ground floor.