1 | SWTX | Southwest Tank Line Co. | 7/1930 | | NAKINA |
2 | SWTX | General American Transportation System, Inc. (previously S.T.L.) | added 11/1934; 7/1935-7/1965 | | NAKINA |
3 | SWTX | Swift Tank Line (General American Transportation Corp.) | 10/1966 | | NAKINA |
4 | SWTX | General American Transportation Corp. | 4/1970; eliminated 7/1974 | | NAKINA |
5 | SWTX | Swift Tank Line (General American Transportation Corp.) | Apr-38 | | NRHS |
6 | SWTX | General American Transportation Corp. | 1/52-7/65 | | NRHS |
7 | SWTX | Swift Tank Line (General American Transportation Corp.) | Oct-66 | | NRHS |
8 | SWTX | General American Transportation Corp. | 4/70; eliminated 7/74 | | NRHS |
9 | SWTX | SWIFT TANK LINE (GATC){SOUTHWEST TANK LINE CO.] | | | PWRC |