Services
Loenbro began as a welding company specializing in refinery and pipeline work. Today our services are as diverse as the terrain in which we work. From inspection services to plant maintenance, our goal is to offer turnkey solutions that meet our clients’ needs today and in the future.
That’s why we have expanded our services to include:
- Installation and repair of process piping, pressure vessels, and tanks
- Pipeline welding, inspection and construction
- HDPE water and gathering line fusion
- Phased array pipe and tank inspection
- Anomaly detection and mitigation
- Pressure pipe, carbon steel and exotic materials welding
- Heat treating
- Custom fabrication/manufacturing
- Plant maintenance
- Welding and inspection of boilers and pressure vessels (R-Stamp Certified)
We also offer:
- Civil work, including site preparation, excavation and shoring
- Concrete installation
- Pump bases
- Retaining walls
- Industrial insulation
To learn more about the complete line of services we offer throughout Montana, North Dakota, South Dakota and Wyoming, please contact us.







