BNSF Railway

Puget Sound and Pacific Railroad

Meeker Southern Railroad

Tacoma Rail Capital/Tidelands Division

Union Pacific Railroad

Columbia and Cowlitz Railway

Patriot Woods Railroad

Portland Vancouver Junction Railroad

Central Washington Railroad

Yakima Central Railroad

Columbia Basin Railroad

Royal Slope Line

Palouse River and Coulee City Railroad

Washington and Idaho Railroad

Kettle Falls Railroad

Cascade and Columbia River Railroad

Tacoma Rail Mountain Division

Eastern Washington Gateway

Sound Transit

Yakima Valley Transportation Company

Tri-City & Olympia Railroad

Kettle Falls International Railway

Pend Oreille Valley Rairoad

Great Northwest Railroad

Chicago, Milwaukee, St. Paul & Pacific Railroad

Walla Walla Valley Railroad

Waterville Railroad

Seattle & North Coast Railroad

Northern Pacific Railway

Yakima Valley Trolleys

miscelaneous railroad

Blue Mountain Railroad

Curtis Milburn and Eastern Railroad

Puget Sound & Snoqualmie Valley Railroad

Ballard Terminal Railroad

Olympic Railroad Company

Bellingham International Railroad

Lake Whatcom Railway (Tourist)

timber-related railroad abandoned before 1947

Yelm Railroad

Port of Chehalis