| 1 | TTEX | Eason Oil Co. | 7/1930-4/1938 | | NAKINA |
| 2 | TTEX | Tulsa Tank Line, H.H. Thiesen | 1/1945-4/1961 | | NAKINA |
| 3 | TTEX | Tulsa Tank Line | 7/1965-10/1966; eliminated 4/1970 | | NAKINA |
| 4 | TTEX | Trailer Train Co. | added 10/1987; eliminated 1/1992 | | NAKINA |
| 5 | TTEX | TTX Co. | added 1/1992; 1/1994-7/2005 | | NAKINA |
| 6 | TTEX | Trailer Train Co./TTX Co. (semi-permanently coupled TOFC car capable of carrying three trailers up to 57' long or four trailers up to 45' long between lift-on/lift-off terminals only) | added 10/1987; 10/1991-1/1992 | | NAKINA |
| 7 | TTEX | TTX Co. (semi-permanently coupled TOFC cars. Cars with 6 digit numbers in the 161000 series are capable of carrying 3 trailers up to 57' long or 4 trailers up to 45' long between lift-on/lift-off terminals only. Cars with 6 digit numbers in the 353000 and 354000 series are capable of carrying 3 trailers up to 57' long only) | 1/1994-7/2000 | | NAKINA |
| 8 | TTEX | Eason Oil Co. | Apr-38 | | NRHS |
| 9 | TTEX | Tulsa Tank Line | 1/52-10/57 | | NRHS |
| 10 | TTEX | Tulsa Tank Line, H.H. Thiesen | Apr-61 | | NRHS |
| 11 | TTEX | Tulsa Tank Line | 7/65-10/66; eliminated 4/70 | | NRHS |
| 12 | TTEX | Trailer Train Co. | added 10/87; eliminated 1/92 | | NRHS |
| 13 | TTEX | TTX Co. | added 1/92 | | NRHS |
| 14 | TTEX | TTX Co. (semi-permanently coupled TOFC cars. Cars with 6 digit numbers in the 161000 series are capable of carrying 3 trailers up to 57' long or 4 trailers up to 45' long between lift on/lift off terminals only. Cars with 6 digit numbers in the 353000 and 354000 series are capable of carrying 3 trailers up to 57' long only) | 1/94-7/2000 | | NRHS |
| 15 | TTEX | *EASON OIL CO. | | | PWRC |
| 16 | TTEX | *TULSA TANK LINE | | | PWRC |
| 17 | TTEX | +TTX COMPANY {TRAILER TRAIN COMPANY} | | | PWRC |
| 18 | TTEX | Trailer Train (TTX Corporation) | | | RSRV |
