A Legacy Grounded in Water

Founded in 1966, we provide the highest quality products to the most exacting and challenging specifications.

About Us
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Webinar

Designing for Differential Settlement with Geohazard Resistant Steel Pipe (Dec. 11)

Join us for an introduction to the InfraShield® Joint System, a fully welded Geohazard Resistant Steel Pipe (GRSP) solution designed to safeguard water transmission pipelines in differential settlement areas—without couplings or gasketed joints.

Announcement

Northwest Pipe Company Announces New Corporate Name

NWPX Infrastructure marks the next chapter in a legacy of strength, reliability, and technical excellence. Learn more about our new corporate name and identity.

Innovation

Permalok® Radial Bending Joint (RBJ)

The patent-pending Permalok® RBJ enables steel pipe to be installed along a curved radius in microtunneling applications, an industry-first that's revolutionizing trenchless construction. Watch this video to see how it works.

Products

Engineered Steel Water Pipe

Custom engineered to the demanding specifications of your project.

Trenchless Pipe

Permalok® Steel Casing Pipe and concrete jacking pipe engineered to excel in any trenchless application.

RCP & Precast Concrete

Combining concrete and steel for a long, worry-free service life.

Lined Sanitary Sewer Systems

Cutting-edge, corrosion-resistant solutions for wastewater applications.

Bar-Wrapped Concrete Pipe

Cost efficient in materials, handling, and installation.
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NWPX Park - Environmental Equipment

Innovative pre-built water solutions for improved efficiency, safety, and environmental compliance.
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Solutions

Northwest Pipe leads the industry in providing innovation solutions to a variety of municipal water and infrastructure applications.

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Technical Support for Your Project

With decades of experience in water infrastructure, our unique team of engineers, fabricators, and scientific consultants from around the world provide practical yet pioneering technical support. We have the team, resources, and insight to help!

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Our Culture

Northwest Pipe takes great pride in providing the highest quality products for our clients. Our team is driven by our Culture of ACT. Accountability, Commitment, Teamwork.

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Careers

Ready to build a future with Northwest Pipe?
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Technical Papers

The latest news in technical innovation, industry best practices, and case studies.

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Interested in learning more about our products?

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