Beyond the Jobsite: The Many Sides of Sentry

Seven Divisions. One Team. Endless Possibilities.

Aerial view of Sentry headquarters and manufacturing facilities in Watertown, South Dakota
Sentry’s facilities in Watertown, South Dakota.

There’s more to Sentry than what you see from the road. Behind our Watertown facilities and projects across the region are seven specialized divisions, each bringing unique skills, expertise, and solutions to the industries we serve.

From construction and manufacturing to technology and field services, here’s a closer look at what we do.

Seven Divisions. Seven Areas of Expertise.

General Contracting

Bringing projects together through planning, coordination, and construction management, from concept to completion.

Electrical

Powering commercial and industrial facilities through electrical installations, maintenance, and service.

Sentry Electrical team completing electrical panel work at Peaceful Pines in Brookings
Sentry engineering and construction operations

Mechanical

Supporting the essential systems behind every building through plumbing, HVAC, piping, and mechanical installations.

Manufacturing

Transforming materials into finished products through steel fabrication, welding, and specialized manufacturing solutions.

South Dakota Service

Bringing skilled crews and specialized equipment to jobsites for structural steel erection, maintenance, and field services.

Controls & Automation

Connecting technology and industry through industrial controls, automation systems, and integrated solutions.

Workover

Supporting oil and gas operations with specialized equipment, experienced crews, and dedicated field services.

Sentry industrial plant shutdown and maintenance services
Sentry team members participating in a construction project groundbreaking

Different Specialties. One Sentry.

Each division brings something different to the table. Together, our teams combine craftsmanship, experience, and dedication to help customers tackle challenges and bring projects to life.

Whether it’s happening inside our facilities or out in the field, it’s our people who make the difference.

Seven divisions. One team. That’s Sentry.

Flexible. Innovative. Results.


Discover the people, services, and capabilities behind Sentry.

Explore All Seven Divisions →