Seaport Steel

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Welcome to the Seaport Steel web site. Here you will find an introduction to our company, information about the steel service industry, helpful utilities, and other useful and interesting information.

Seaport Steel was founded in 1983 and is today Seattle's largest independently owned structural steel and plate distributor. Our beginnings came from Isaacson Steel in 1907. Isaacson was primarily a structural steel distributor. Isaacson did business in Seattle for 75 years until it closed operations in 1983. At that time our new company was formed by purchasing the inventory and equipment of Isaacson's Steel Service Division.
In 1984, one year later, Seaport Steel bought from Mitsui and Company their Steel Service Center business in Seattle. This plant specialized in steel plate and plate processing. By combining the two, Seaport is able to offer not only structural steel items but also cut and processed steel plate. Seaport Steel is a major supplier to construction, manufacturing, and shipbuilding companies in the northwest.
We are located within sight of downtown Seattle, close to all the major freeways. Our plant, a full service warehouse, is open 24 hours a day, always bustling with activity. This central location combined with our inventory of thousands of tons of steel, the most updated equipment, and -- most importantly -- a technically capable, dependable team makes Seaport your number one supplier for all of your steel requirements. We at Seaport Steel are committed to giving you, our customers personal and dependable service.
Seaport Steel is a name you can trust.