 |
| Company | Plant Location | Date | Successor, Comments or Cross-reference |
| York Car Works | Billmeyer & Small | ||
| Youngstown Car Mfg. Co. | Youngstown, OH | 1887 | [PDRO87] |
| Youngstown Car & Mfg. Company | Youngstown, OH | 1881/1883-1914 | To Youngstown Steel Car Company 1913. |
| Youngstown Car Works | Youngstown, OH? | c1890 | |
| Youngstown Steel Car Company | Youngstown and Niles, OH | 1914-1978+ | Acquired 1960 by Consolidated Freightways, truckers and builder of truck trailers. |
| Company | Plant Location | Date | Successor, Comments or Cross-reference |
| W.O. Zelnicker | Toledo, OH | c1900-1910 |
