| 1 | MSCI | Mississippi Central R.R. Co. | added 4/1998; 7/2000; eliminated 10/2001; 7/2005 | | NAKINA |
| 2 | MSCI | Mississippi Central R.R. Co. | added 4/98; 7/2000 | | NRHS |
| 3 | MSCI | MISSISSIPPI CENTRAL RAILROAD COMPANY | | | PWRC |
| 4 | MSCI | Mississippi Central (Illinois Central Gulf Railroad) | | | RSRV |
| 5 | MSCI | MISSISSIPPI CENTRAL RAILROAD COMPAN | | | SCAC4 |