Knife River Prestress, INC

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Their homepage, crawled JUL 31, 2026

At a glance

Employees100-499

In business sinceNot reported

Industry

Other Concrete Product Manufacturing

HeadquartersNewman Lake, WA

SAM.gov UEIPUMVQGLG3QS9

Brands

Insulated Wall PanelSolid Wall Panel

This company sells these brands.

Knife River Prestress manufactures precast concrete products including insulated wall panels, solid wall panels, hollowcore, double tees, beams, columns, stairs, and various bridge products such as deck bulb tees, WF girders, box beams, and AASHTO girders. The company serves commercial, institutional, residential, and transportation industries, offering finishing options including thin brick, graphic concrete, colored concrete, sandblast, and acid etch. Knife River is PCI-certified and operates manufacturing plants in Spokane, Washington and Harrisburg, Oregon.

Facility	City	State	Employees	Status
Knife River Prestress	Harrisburg	OR	—	◇ UNVERIFIED
Knife River Prestress, INC	Newman Lake	WA	100–499	● ACTIVE

Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.