The Twin City Rapid Transit Company ran streetcars and buses in the cities of Minneapolis and St. Paul, Minnesota from 1892, when it took over the operations of the Minneapolis Street Railway and the St. Paul City Railway Company, to 1962, when its operations were taken over by the Twin City Lines.
From 1899 to 1932, it also operated streetcars in Stillwater, Minnesota.
Streetcar operations were discontinued in 1954.
| Transit Operators in the State of Minnesota | ||
| Anoka systems | Anoka Street Railway Company | |
| Duluth systems | Duluth Street Railway • Duluth-Superior Traction Company • Duluth-Superior Transit Company • Duluth Transit Authority | |
| Fridley systems | Electric Short Line Railway • Minnesota Western Railroad Company | |
| Mankato systems | Greater Mankato Transit System (Mankato City Bus) • Mankato Electric Traction Company • Mankato City Bus Lines • Mankato City Lines • Mississippi Valley Electric Company | |
| Minneapolis systems | Minneapolis Street Railway | |
| Minneapolis/St. Paul/Stillwater systems | Metro Transit • Twin City Lines • Twin City Rapid Transit Company | |
| Rochester systems | Rochester Bus Line • Rochester Public Works | |
| St. Paul systems | St. Paul City Railway Company • St. Paul Street Railway Company | |
| Stillwater systems | St. Croix Bus Company • Stillwater Electric Railway • Stillwater Street Railway • Valley Transit Company | |