| Abbreviation | Definition |
|---|---|
| IDCN | Indocan Resources, Inc. |
| IDCO | ID-Confirm, Inc. |
| IDCP | National Datacomputer, Inc. |
| IDGB | I D G Books Worldwide, Inc. |
| IDHOO | Idaho Power Company |
| IDID | Comparator Systems Corporation |
| IDMC | I D M Environmental Corporation |
| IDMCW | I D M Environmental Corporation Warrants |
| IDPH | I D E C Pharmaceuticals Corporation |
| IDRA | Idera Pharmaceuticals, Inc. |
| IDRG.DC | IDS Scheer A.G. |
| IDSA | Industrial Service of America |
| IDSY | I. D. Systems, Inc. |
| IDTC | I D T Corporation |
| IDTI | Integrated Device Technologies, Inc. |
| IDTK | I D Technologies Corporation |
| IDXC | I D X Systems Corporation |
| IDXX | IDEXX Labs, Inc. |
| IDYN | Innerdyne, Inc. |
| IEC | IEC Electronics Corporation |