| STREET & INTERURBAN RAILWAY PASSENGER CARS | ||||
| Car No. | Builder | Year Built | Operating Company/Represented | Year Acquired |
| 3 | Niles Car and Mfg. Company | 1905 | Jersey Shore & Antes Fort RR | 1999 |
| 5 | J.G. Brill Company | 1941 | Philadelphia Suburban | 1982 |
| 14 | St. Louis Car Company | 1949 | Philadelphia Suburban | 1982 |
| 24 | St. Louis Car Company | 1949 | Philadelphia Suburban | 1982 |
| 66 | J.G. Brill Company | 1926 | Philadelphia Suburban | 1970 |
| 73 | J.G. Brill Company | 1926 | Philadelphia Suburban | 1990 |
| 78 | J.G. Brill Company | 1932 | Philadelphia & West Chester Traction | 1982 |
| 94 | Pullman Standard Company | 1948 | Shaker Heights Rapid Transit | 1987 |
| 101 | John Stephenson Company | 187? | Federal Street & Pleasant Valley | 1971 |
| 115 | St. Louis Car Company | 1909 | Pittsburgh Harmony Butler & New Castle Railway | 1986 |
| 209 | J.G. Brill Company | 1931 | Southeastern Pennsylvania Transportation Authority | 1993 |
| 250 | Jewett Car Company | 1913 | Monongahela West Penn Railway | 2005 |
| 274 | Jewett Car Company | 1918 | Monongahela West Penn Railway | 1974 |
| 325 | Cincinnati Car Company | 1911 | Cincinnati Newport & Covington | 2000 |
| 350 | St. Louis Car Company | 1926 | Johnstown Traction Company | 1959 |
| 606 | The Budd Company | 1960 | City of Philadelphia/Southeastern Pennsylvania Transp. Authority | 1998 |
| 739 | West Penn Railways | 1925 | West Penn Railways Company | 1989 |
| 832n | Perley Thomas Car Company | 1923 | New Orleans Public Service Co. | 1952 |
| 832w | Cincinnati Car Company | 1930 | West Penn Railways Company | 1964 |
| 1138 | St. Louis Car Company | 1936 | Pittsburgh Railways Company | 1961 |
| 1467 | St. Louis Car Company | 1941 | Pittsburgh Railways Company | 1968 |
| 1711 | St. Louis Car Company | 1949 | Pittsburgh Railways Company | 1990 |
| 1758 | Rio de Janeiro Tramways | 1911 | Rio de Janeiro Tramways | 2006 |
| 1799 | St. Louis Car Company | 1945 | Pittsburgh Railways Company | 1990 |
| 2227 | Cincinnati Car Company | 1919 | Cincinnati Street Railway | 2009 |
| 2711 | St. Louis Car Company | 1947 | Philadelphia Transportation Company | 2000 |
| 2723 | St. Louis Car Company | 1947 | Southeastern Pennsylvania Transportation Authority | 1995 |
| 3487 | St. Louis Car Company | 1905 | Pittsburgh Railways Company | 1956 |
| 3756 | Osgood Bradley Car Company | 1925 | Pittsburgh Railways Company | 1954 |
| 4004 | Port Authority of Allegheny County | 1988 | Port Authority Transit | 2004 |
| 4145 | Pressed Steel Car Company | 1911 | Pittsburgh Railways Company | 2009 |
| 4398 | St. Louis Car Company | 1917 | Pittsburgh Railways Company | 1956 |
| 5326 | J.G. Brill Company | 1923 | Philadelphia Rapid Transit Company | 1957 |
| 8042 | J.G. Brill Company | 1923 | Philadelphia Transportation Company | 2005 |
| Toledo | Toledo Railways & Light Company | 1906 | Toledo Railways & Light Company | 2009 |
| STREET & INTERURBAN RAILWAY WORK & SPECIAL PURPOSE CARS | ||||
| Car No. | Builder | Year Built | Operating Company/Represented | Year Acquired |
| 1 | West Penn Railways | 1916 | West Penn Railways Company | 1958 |
| 1 | McGuire-Cummings | 1918 | Beaver Valley Traction Company | 1972 |
| 4 | McGuire-Cummings | 1922 | Philadelphia Suburban | 1988 |
| 07 | Jewett Car Company | 1911 | Philadelphia Suburban | 1996 |
| 067 | Columbus Railway Light & Power | 1923 | Columbus Railway Light & Power | 1985 |
| 3000 | Baldwin-Westinghouse | 1920 | Monongahela Valley Transportation Co. | 1968 |
| 3618 | Differential Steel Car Company | 1927 | Boston Elevated Railway Co. | 1974 |
| F22 | J.G. Brill Company | 1913 | Philadelphia Rapid Transit Company | 1982 |
| M1 | Pullman Car Company | 1890 | Pittsburgh Railways Company | 1949 |
| M37 | McGuire Manufacturing Co. | 1896 | Pittsburgh Railways Company | 1967 |
| M200 | Pressed Steel Car Company | 1911 | Pittsburgh Railways Company | 1972 |
| M210 | Pittsburgh Railways Company | 1940 | Port Authority Transit | 1995 |
| M283 | Differential Steel Car Company | 1929 | Port Authority Transit | 1988 |
| M551 | Differential Steel Car Company | 1922 | Port Authority Transit | 1984 |
| LOCOMOTIVES | ||||
| Car No. | Builder | Year Built | Operating Company/Represented | Year Acquired |
| 73 | International Car Company | 1949 | Monongahela Railway | 1991 |
| 1311 | Porter Locomotive Works | 1942 | Pennsylvania Transformer Technologies Inc. | 2001 |
| B73 | Baldwin-Westinghouse | 1930 | ARMCo Steel Corporation | 1970 |
| 89 | General Electric Company | 1953 | Pennsylvania Trolley Museum | 2008 |
| STREET RAILWAY ERA STRUCTURES | ||||
| Structure | Builder | Year Built | Operating Company/Represented | Year Acquired |
| Allison | Washington & Canonsburg Street Railway | 1903 | 1994 | |
| Brown | Pittsburgh & Butler Railway Company (Butler Shortline) | 1908 | 1984 | |
| Richfol | Pittsburgh Railways Company | 1909 | 1982 | |
| West | Pittsburgh Harmony Butler & New Castle Railway Company (Harmony line) | 1908 | 1992 | |
| Wexford | Pittsburgh Harmony Butler & New Castle Railway Company (Harmony line) | 1908 | 2015 | |
| Safety Island | Pittsburgh Railways from Station Square-exhibit at Richfol Platform | 1998 | ||