| 1 | IMM | Marina Militare (Italian Navy) | | I | TRAFFIC |
| 2 | IMME | IMME TRANSPORT INC | | | SCAC4 |
| 3 | IMMG | INMAN TRUCKING INC | | | SCAC4 |
| 4 | IMMU | INDUSTRIAS MONFEL S.A. DE C.V. | | MEX | BIC |
| 5 | IMMU | Industrias Monfel | | | RSRV |
| 6 | IMMU | INDUSTRIAS MONDEL S A DE C V | | | SCAC4 |
| 7 | IMMX | Industrial Minera Mexico, S.A. | added 7/1975; 1/1980; eliminated 5/1983; 1/1994-7/2005 (not listed) | | NAKINA |
| 8 | IMMX | Industrial Minera Mexico, S.A. | added 7/75; 1/80; eliminated 5/83; 1/94-7/2000 | | NRHS |
| 9 | IMMX | INDUSTRIAL MINERA MEXICO, SA | | | PWRC |
| 10 | IMMX | Industrial Minera Mexico | | | RSRV |
| 11 | IMMX | INDUSTRIAL MINERA MEXICO, S.A. | | | SCAC4 |
