Process Piping

We help power innovation and infrastructure for every industry, fabricating and installing specialized systems you can rely on for the long haul.
We Know Process Piping

We Know Process Piping

Harder specializes in complex process piping. We build systems that reliably deliver products. We install the precision systems that enable innovative industries to thrive and are a critical partner on the high-volume projects that power national infrastructure. What does your piping system need to do? Harder can do it.

Certified ISO 9001:2015

In 2020, our Oregon 115,000 SF pipe fabrication shop was certified ISO 9001:2015

Process Piping for Your Industry

As one of the largest piping contractors in the United States, we know every project demands specialization and sophistication. We’ve spent decades fabricating and installing piping systems for every industry:

  • Ultra High Purity Piping – Semiconductors
  • Clean-In-Place and cGMP Piping – Biopharmaceutical
  • Medical Gas Piping – Healthcare
  • Balance of Plant Piping – Power Generation
  • Sanitary Piping – Food & Beverage
  • Steam and Condensate Piping – Pulp & Paper
  • Contained and FRP Piping – Chemical Industries
  • Waste Treatment & Removal Piping – Manufacturing
  • Gas & Fuel Oil Piping – Refinery and Petrochemical
  • DI Water Systems – UPW (Ultra Pure Water)

We build the complex piping systems that power your industry. We can build the right solution for you.

Process Piping for Your Industry

Experts in Process Pipe Fabrication

Experts in Process Pipe Fabrication
Experts in Process Pipe Fabrication-1
Experts in Process Pipe Fabrication
Experts in Process Pipe Fabrication

Success Driven Relationship and Retention

With more than 250,000 SF of pipe fabrication shop capacity, we are experts in the art of off-site pre-fabrication. Harder is nationally recognized for pipe fabrication and custom building process skids and modularized components for all major industries, bringing a tremendous amount of knowledge and experience to these types of projects.


Chevron Refinery Turnarounds

Our team planned and executed back-to-back pull feed dates for two key projects: the Eight Plant Turnaround and the #2 Sulfur Recovery Unit (SRU) Turnaround.


Legacy Emanuel West Tower

Harder provided full mechanical and design-assist services for this new, $210,000,000, seven-story, 330,000 SF hospital expansion.


South Building Gan Complex

The Owner brought Harder onboard to expand the fab’s general exhaust system so it could support a new tool set and to consolidate several smaller standalone general exhaust systems into one.


RA4 Office and Manufacturing Building

This design-build BIM project included over 160,000 LF of piping, all process and wet HVAC, multiple cooling tower installations, and any associated equipment.

Map of Harder locations

Where We Are

From our headquarters in Oregon to our newest offices in Texas, our teams are ready to deliver the highest quality in mechanical construction services wherever they're needed.

Work With Us

Ready to partner with the experts on your next process piping project? Reach out to Harder today.