| 1 | TOV | Tooele Valley Ry. Co. | 1/1975-1/1980; eliminated 1/1982 | | NAKINA |
| 2 | TOV | Tooele Valley Ry. Co. | 1/75-1/80; eliminated 1/82 | | NRHS |
| 3 | TOV | TOOLE VALLEY RAILWAY | | | PWRC |
| 4 | TOV | Tooele Valley Railway | | | RSRV |
| 5 | TOVA | TRAKCE, a.s. | | CZ | VKM |
| 6 | TOVD | TRANSPORT OVERLOAD RENTALS INC | | | SCAC4 |
| 7 | TOVI | TRIO VIDEO | | | SCAC4 |
| 8 | TOVL | TRANSPORTATION VENTURES I LLC | | | SCAC4 |
| 9 | TOVO | TRANSPORTES VELOZ | | | SCAC4 |
| 10 | TOVP | TRANSPORTES SERVICIOS ESPECIALES | | | SCAC4 |
| 11 | TOVR | TOLVSTAD, RANDY | | | SCAC4 |
| 12 | TOVT | TRITON OVERSEAS TRANSPORT INC | | | SCAC4 |
| 13 | TOVX | Tovrea Packing Co. | 7/1932-4/1938 | | NAKINA |
| 14 | TOVX | Tovrea Packing Co. (Mather Stock Car Co.) | Apr-38 | | NRHS |
| 15 | TOVX | TOVREA PACKING CO. | | | PWRC |
