Private company

Willamette Iron and Steel Works

Defunct company in Portland, Oregon, U.S.

Willamette Iron Works (also known as Willamette Iron and Steel Company or WISCO) was a general foundry and machine business established in 1865 in Portland, Oregon, originally specializing in the manufacture of steamboat boilers and engines. In 1904, the company changed its name to Willamette Iron and Steel Works, under which name it operated continually until its close in 1990.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1865Founded1
  • Industryshipbuilding1
  • HeadquartersPortland1
13-3-9 Willamette-25
Photo: Edward L. Cochrane, Navy Department, Bureau of Ships, Public domain, via Wikimedia Commons3

Willamette Iron Works (also known as Willamette Iron and Steel Company or WISCO) was a general foundry and machine business established in 1865 in Portland, Oregon, originally specializing in the manufacture of steamboat boilers and engines. In 1904, the company changed its name to Willamette Iron and Steel Works, under which name it operated continually until its close in 1990.2

Timeline

  1. 1865Founded Founded1