Wolff & Zwicker Iron Works
Portland OR
Most recent update: January 4, 2022.
Wolff & Zwicker was an iron works that got into shipbuilding in 1893 and out again in 1903, when it burned to the ground. Their plant was at the foot of Hawthorne Boulevard, around the east end of the Hawthorne Bridge, and apparently occupied several city blocks. The table below is clearly incomplete.
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| O/N | Name | Customer | Type | GT | LOA | Built | Notes | |
| LV-67 | Columbia River | US Light House Service | lightship | 450 | 1897 | sold 1930, wrecked 1941 | ||
| LV-70 | San Francisco | US Light House Service | lightship | 450 | 1898 | sold 1930, wrecked 1941 | ||
| TB-12 | Davis | US Navy | torpedo boat | 154 | 148 | 10 May 1899 | sold 1920 | |
| TB-13 | Fox | US Navy | torpedo boat | 154 | 148 | 8 Jul 1899 | sold 1916 | |
| 7 | 161140 | Kvichak | Alaska Packers Assn. | trawler | 1,063 | 200 | 1900 | later James B. Houston 1942, Bisayas 1947, Regina 1954, scrapped 1956 |
| TB-20 | Goldsborough | US Navy | torpedo boat | 255 | 198 | 9 Apr 1908 | sold 1919 |