| 1 | ITLX | General Electric Rail Services Corp. | added 1/2000; 7/2000-7/2005 | | NAKINA |
| 2 | ITLX | General Electric Railcar Services Corp. | added 10/1992; 1/1994; eliminated 1/2000 | | NAKINA |
| 3 | ITLX | Itel Rail Corp. | eliminated 10/1992 | | NAKINA |
| 4 | ITLX | International Transport Co. | added 1/1974; 1/1975; eliminated 4/1979 | | NAKINA |
| 5 | ITLX | Drake Petroleum Co., operating Illinois Tank Line | 4/1938 | | NAKINA |
| 6 | ITLX | Illinois Tank Line (Drake Petroleum Co.) | 7/1937 | | NAKINA |
| 7 | ITLX | Illinois Tank Line | Apr-38 | | NRHS |
| 8 | ITLX | International Transport Co. | added 1/74; 1/75; eliminated 4/79 | | NRHS |
| 9 | ITLX | Itel Rail Corp. | eliminated 10/92 | | NRHS |
| 10 | ITLX | General Electric Railcar Services Corp. | added 10/92; 1/94; eliminated 1/2000 | | NRHS |
| 11 | ITLX | General Electric Rail Services Corp. | added 1/2000; 7/2000 | | NRHS |
| 12 | ITLX | *DRAKE PETROLEUM CO. (ILLINOIS TANK LINE) | | | PWRC |
| 13 | ITLX | +(NATX) GENERAL ELECTRIC RAILCAR SERVICES CORPORATION {ITEL RAIL CORP.] | | | PWRC |
| 14 | ITLX | GE Rail Services Corporation | | | RSRV |
| 15 | ITLX | GENERAL ELECTRIC RAILCAR SERVICES C | | | SCAC4 |
