Greenberry Industrial, LLC, founded in 1974, is one of the leading industrial fabricators and contractors in the United States. Greenberry has extensive experience working on hydropower projects including the USACE, conservation districts, and power generation providers in the Western States.

Our recently completed projects include:

The fabrication of the tainter gates at the Dalles Dam in The Dalles, Oregon. This project involved the fabrication of a replacement a 120 ton, 92’ tainter gate used for the navigation lock. The value of the project this project exceeded $2M.

The replacement of the fish ladder pump structure at the John Day Dam in John Day, Oregon. Greenberry was contracted to supply a new MCC building for the replacement fish ladder pumps at the John Day Dam on the Columbia River. The contract value was approximately $800K.

The field fabrication of the downstream dam gate at the John Day Dam. This project involved the critical shut down of the Columbia River water traffic to enable the replacement of the 50-year-old John Day Dam navigation lock downstream gate. Greenberry’s scope of services including fitting and welding of the four new dam gate sections utilizing our AISC certification, with fracture critical endorsement.

Safety is our highest priority and we are proud to boast having achieved more than 7 million direct labor hours without a lost-time accident over a 12 year period. Greenberry has a top-down commitment to safety that has created a culture of safety-first. We train, plan and invest in order to uphold this culture. As a result, our safety performance is among the best in our industry.

When it comes to quality, Greenberry is second to none. Greenberry has implemented a wide range of hard-to-achieve quality programs with leading national and international quality assurance organizations and boasts the following certifications and associations:

  • American Society of Mechanical Engineers
  • American Institute of Steel Construction
  • American Petroleum Institute 4F Monogram
  • ISO 9001:2008
  • NQA-1 Nuclear Fabrication
  • Canadian Welding Bureau
  • American Welding Society
  • National Board of Boiler & Pressure Vessel Inspectors

Greenberry has extensive fabrication facilities located all across the United States, and related resources available to handle almost any fabrication project.

And finally, you can count on Greenberry to see your project through. We are a highly successful and financially stable company and by virtue of having been acquired by North American Energy Services (NAES) in 2015, we have the ability to bond projects in excess of $200M.

Field Construction & Maintenance

• Field Welding, Fracture Critical
• Piping / Valve Repairs
• Facility Upgrades
• Structural & Mechanical
• Structural Erection
• Heavy Rigging
• Equipment Installation
• Civil & Concrete
• Instrumentation


• Water Control Gates
• Piping
• Structural Steel
• Weirs
• Bulkheads
• Stop Logs
• Walkways & Handrails



John Day Dam Fish Ladder Pump Replacement Modular MCC Building – USACE


Foster Dam Fish Facility Upgrades – USACE


John Day Lock and Dam Navigation Gate Replacement Field Splice Welding – USACE


Dorena Dam Hydro Electric Construction – Dorena Hydro


John W. Keys III Pump Generating Plant, BOR (Bureau of Reclamation)


The Dalles Dam Navigation Lock Gate Replacement – USACE