| 1 | IEC | Iowa Chicago and Eastern R.R. Corp. | added 10/2002 | | NAKINA |
| 2 | IEC | EASTERN RAILROAD CORP. | | | PWRC |
| 3 | IECA | INTELLIGENT ENGINEERING (CANADA) LI | | | SCAC4 |
| 4 | IECC | IMPERIAL EVERGREEN CASKET CORPORATI | | | SCAC4 |
| 5 | IECD | IDEAL DELIVERIES INC | | | SCAC4 |
| 6 | IECD | ELECTROCENTRALE SA DEVA | | RO | VKM |
| 7 | IECL | INTERSTATE EXPRESS CARRIER LIMITED | | | SCAC4 |
| 8 | IECR | INTER ELECTRONICS CORP | | | SCAC4 |
| 9 | IECT | INTERNATIONAL PAPER (SPRINGHILL CON | | | SCAC4 |
| 10 | IECU | MARIANAS GAS CORPORATION DBA ISLAND EQUIPMENT CO | | GUM | BIC |
| 11 | IECU | ISLAND EQUIPMENT CO | | | SCAC4 |
| 12 | IECV | ITOCHU ENEX CO LTD | | | SCAC4 |
