Our Companies

Wesroc: Tank Monitoring Solutions.
Metrotel: A premier provider of telecommunications test equipment and accessories.  Check out Metrotel’s featured product the Cable Hound!
Sheyenne Dakota: SDI produces a wide range of wiring harnesses and assembly manufacturing for construction equipment, telephone accessories, farm and utility vehicles and various other equipment industries.
Berry Test Sets: A transmission testing company.  Berry Test Sets sell the BE9000 circuit tester.
Wintel: Wintel manufactures a full line of rugged phones for inmate and public use.
Pure Tower: The solution for birds nesting in your communications tower.