| Abbreviation | Definition |
|---|---|
| IMKEU | Inmark Enterprises, Inc. |
| IMKEW | Inmark Enterprises, Inc. Warrants |
| IMKTA | Ingles Markets, Inc. Class A |
| IMMI | Inphynet Medical Management, Inc. |
| IMMR | Immersion |
| IMMT | Immtech International, Inc. |
| IMMU | Immunomedics, Inc. |
| IMNR | Immune Response Corporation of Delaware |
| IMNX | Immunex Corporation |
| IMON | Imaginon, Inc. |
| IMPAY | Impala Platinum Holding, LTD. |
| IMPH | Impath, Inc. |
| IMPN | Funscape Corporation |
| IMPT | IMPSAT Fiber Networks, Inc. |
| IMPV | Improvenet, Inc. |
| IMPX | IMP, Inc. |
| IMRS | I M R Global Corporation |
| IMRS | IMRIS Inc. |
| IMSC | Integrated Measurement Systems |
| IMSG | Image Systems Corporation |