| Abbreviation | Definition |
|---|---|
| INTRA | Inter Ltd. Class A |
| INTRB | Inter Ltd. Class B |
| INTRC | Inter Ltd. Class C |
| INTT | Intest Corporation |
| INTU | Intuit, Inc. |
| INTV | Intervoice- Brite, Inc. |
| INTW | InterWorld Corporation |
| INTXA | Interiors, Inc. Class A |
| INTXP | Interiors, Inc. Preferred |
| INVB | InvestorsBancorp, Inc. |
| INVI | IntegralVision, Inc. |
| INVN | Invision Technologies, Inc. |
| INVRW | Innovir Laboratories, Inc. Warrants |
| INVT | Invest America, Inc. |
| INVU | Invu, Inc. |
| INVX | Innovex, Inc. |
| IOCI.F | International Petroreal Oil Corporation |
| IOCJY | Iochpe Maxion |
| IOCX | International Ostrich Corporation |
| IOMC | I/ O Magic Corporation |