| 1 | JFSX | Fruit Growers Express Co. | 1/1941-1/1946 | | NAKINA |
| 2 | JFSX | Fruit Growers Express Co. (reporting mark for John F. Stegner Co.) | 7/1937-4/1938 | | NAKINA |
| 3 | JFSX | John F. Stegner | 7/1935 | | NAKINA |
| 4 | JFSX | John F. Stegner Co. (National Car Co.) | Apr-38 | | NRHS |
| 5 | JFSX | *FRUIT GROWERS EXPRESS CO. (JOHN F. STEGNER CO.) | | | PWRC |
| 6 | JFSX | +JFS RAILCAR, INC. | | | PWRC |
| 7 | JFSX | JFS RAILCAR INC | | | SCAC4 |