Other companies and entities that play a part in the history of electric traction in Portland – main line railroads, historical preservation societies, government bodies, etc.

Historial Societies/Electric Traction Preservation

Gales Creek Enterprises (1970–???)

Oregon Electric Railway Historical Society (1957–Present)

Pacific Northwest Electric Railway Association

Willamette Valley Electric Railway Association (1954–1965?)

Tourist Railroads

Vernonia, South Park & Sunset Railroad Association (1961–1970)

Rolling Stock Manufacturers (In Portland)

Columbia Car & Tool Works (1891-???)

Hand Manufacturing Company (1892–1905*)

Vulcan Manufacturing Company (1890–1891)

Rolling Stock Manufacturers (Outside Portland)

American Car Company (1891–1931)

Barney & Smith Car Company (1849–1921)

J. G. Brill Company (1868–1954)

Jewett Car Company (1893–1919)

John Stephenson Company (1831–1917)

Niles Car & Manufacturing Company (1901–1917)

Pullman Palace Car Company (1867–1899)