What We Do

Sentry is an EPC company, which stands for Engineering, Procurement, and Construction.  Our team can conceptualize, design, and ENGINEER a project, PROCURE all equipment, materials, manpower, etc. that the project requires, and finally CONSTRUCT the project itself no matter the size or industry. However, many times we work individually in each facet to satisfy all of our customers needs. From large general construction projects to preventative maintenance contracts we have the utmost passion for building lifelong relationships through Flexible, Innovative, Results.

Crane Services

  • Pump Jacks
  • Polish Rod Change
  • Tank Batteries
  • Fire Tubes
  • Compressors
  • Trusses
  • Steel Buildings
  • Roof Systems
  • Construction-Related Lifting

Welding & Fabrication

  • Mild Steel
  • Stainless Steel
  • Aluminum
  • Pipe Welding
  • Custom Fabrication & Design
  • Pipe Stands
  • Pressure Vessel Repair (R Stamp)
  • Vapor Line Stands
  • Load Out Stands
  • Cellar Covers

Roustabout

  • Tank Battery Layout & Construction
  • Saltwater Disposal Layout & Construction
  • Containment and Liner
  • Treater Plumbing
  • Well Head Plumbing
  • Flow Lines and Production Lines
  • Flares
  • Natural Gas Generators
  • H2S Treatment Systems
  • Gas Lift Construction
  • Pumping Unit Install & Tear-Downs
  • Retro-Fits
  • Spill Containment and Removal
  • Well Watch
  • Pressure Washing
  • Cattle Guard Cleaning
  • Well Service
  • Preventative Maintenance

Find out how Sentry can help you.

Engineering

  • 3D Battery Design
  • Custom Project Design
  • Steel Design & Fabrication Drawings
  • Product Development

Millwright

  • Food Processing
  • Ethanol Systems
  • Gas Plant Storage/Transfer
  • Commercial Infrastructure Piping
  • Dairy
  • Grain Transfer/Storage

Manufacturing

  • Team Lodge
  • Treater buildings
  • Knockout skids
  • Manifold buildings
  • Pig launchers
  • Custom skids
  • Electrical skids
  • Prefab pipe
  • Separators
  • High & Low Pressure Knockout Pots
  • Scrubber Pots
  • Pressure Vessels

Electrical

  • Licensed in North Dakota, South Dakota, and Minnesota
  • Prefab wiring
  • PLC
  • Low voltage
  • Control skids
  • Valve control

Get started with Sentry today.