Steel That Shapes Industry. Precision That Drives Progress.
On the banks of the Columbia River, Oregon Steel Mills delivers high-performance steel plate and coil that power progress across North America. From clean energy to critical infrastructure, our products are trusted where strength, precision, and reliability matter most.
West Coast Anchor. Global Reach.
As the leading producer of heavy plate in the Western U.S., Oregon Steel Mills supports the industries that keep the world in motion. Offering unmatched dimensional capabilities, consistent quality, and a customer-first approach, we are building the next generation of American infrastructure, renewables, transportation, and beyond.
ABOUT US
What We Make
We produce world-class plate and coil products, including:
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Discrete Plate: as-rolled, Q&T, normalized, armor, temper-passed cut-to-length (CTL)
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Coiled Plate: hot band, plate and sheet, temper-passed, and skelp
Capabilities:
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Available in over 500 grades and specifications
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Discrete Plate:
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Thickness: 0.187 to 8 inches
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Width: 48 to 135 inches
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Coiled Plate:
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Thickness: 0.059 to 0.750 inches
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Width: 36 to 96 inches
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Annual capacity: 850,000 tons
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Innovation In Action
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Rolling slab from Electric Arc Furnace (EAF) technology, reducing CO2 emissions by up to 75 percent relative to traditional (blast furnace) steelmaking
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Part of a vertically integrated and flexible supply chain with 16 scrap recycling locations across North America
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Consistently investing in advanced quality systems and custom plate solutions for renewable and defense applications
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Commitment to Clean Energy
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Leading supplier of steel plate to the onshore wind sector in North America
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Using Clean WindSM energy through Portland General Electric, helping to avoid millions of pounds of CO₂ emissions annually
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Investing in our processes to reduce energy consumption and direct emissions
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Rooted in Portland. Built for the Region.
For over 80 years, Oregon Steel Mills has been part of the fabric of the Pacific Northwest.
Today, we:
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Employ approximately 400 people in Portland
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Contribute over $100 million in local economic impact
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Support critical industries including infrastructure, marine, energy, transportation, and defense
