From cGMP quality-control measures to ASME-BPE compliance, we adhere to the strictest of purity standards.

Validation and FDA Approval Begin with Quality Construction

Harder Mechanical specializes in the prefabrication and installation of all ultra clean piping and complete process system installations for the bio-pharmaceutical industry.

We provide the highest quality installation of all critical hygienic systems along with comprehensive documentation to ensure that owner and bio-pharmaceutical industry standards are met. Our craftspeople are experts at the specialized, sloped piping your projects require.

ISO 9001 certified

Our Portland fabrication shop was certified in 2020.

In-House Cleanroom Fabrication

Our ISO 9001 QMS Manual and Quality Procedures are custom built to incorporate all owner specifications and exceed compliance standards.

To ensure purity, Harder uses proven processes for receiving, storing, and handling our building materials. Our fabrication facilities are built to support our project work, complete with cleanrooms and a bar code tracking so everyone knows the status of all off-site work. Harder’s Lean construction techniques continually maximizes our performance on every project.

Bio-pharmaceutical Services

Harder Mechanical offers a wide range of comprehensive services to meet the needs of our clients. Our Biopharmaceutical clients count on us to deliver a high-quality installation of their process systems.

Concrete Installation

A rock-solid foundation for your project—any size, any place. Expert prep and pour for performance you can count on.


End-to-end mechanical installations, delivering the systems you need and the above-and-beyond service you deserve.

Design Services

In-house design-assist services lower costs, boost constructability, and reduce overall schedules for success from the very start.

Equipment Installation

Decades of experience with the most demanding equipment challenges means we get the job done—and we mean the whole job.


Specializing in complete single-source piping solutions that achieve optimal results. You name it, we build it.


Sophisticated, not complicated, for peak performance at any scale. Proven processes keep your projects on track.

Process Piping

Powering innovation and infrastructure for every industry. Specialized systems you can rely on for the long haul.

Service Department

Our dedicated service team will work with you to create a customized maintenance plan that satisfies the needs of your facility.

Sheet Metal

Harder's sheet metal division provides complete HVAC and industrial duct fabrication and installation for all major industries.

Skids & Modularization

Prefabrication reduces downtime and labor costs while minimizing the impact on your operations, no matter where you’re located.

Structural Steel

Strong, safe, secure—infrastructure that holds to the highest standards. Discover workmanship backed by 80 years of experience.

Tank Installation & Modification

Smooth, disruption-free service for every phase of your project. Our expertise guarantees safety and success.

Virtual Design & Construction

State-of-the-art tech for designs that deliver. We combine leading-edge tools with decades of experience to envision and execute with excellence.


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.

Let Us Join You

Our Biopharmaceutical industry experts are ready to partner with you on your next project.