Based in Woodinville, WA, On Site Solutions PNW provides structural steel fabrication, steel erection, and mobile welding across the Seattle metro and Pacific Northwest. Licensed under WA #SITESSS763JW.

On Site Solutions PNW is a WABO-certified structural steel and welding contractor serving commercial, industrial, and residential clients throughout the Seattle metro and Pacific Northwest. Our team supports contractors with blueprint interpretation, precise shop drawings, and efficient on-site field welding to keep projects safe, code-compliant, and on schedule.
Every project — from a single connection weld to a full structural steel erection — receives the same commitment to craftsmanship and safety that has defined our reputation for over 20 years.
View Our Services →We hold all certifications required for structural steel work in Washington State. Every welder on our team is WABO-certified and trained to AWS D1.1 structural welding standards.

From large-scale structural projects to urgent field repairs, On Site Solutions PNW is your trusted partner across the Pacific Northwest.
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