| Abbreviation | Definition |
|---|---|
| IBMPA | International Business Machines Corporation Preferred A |
| IBP | I B P, Inc. |
| IBX | Ralston Purina Company |
| IC | Icici, LTD. |
| ICA | Empresas I C A Societe Controladora |
| ICB | Morgan Stanley Dean Witter |
| ICF | I C F Kaiser International, Inc. |
| ICI | iPath Optimized Currency Carry Exchange Traded Notes |
| ICM | Internacional de Ceramica |
| ICN | I C N Pharmaceutical, Inc. |
| ICO | Inacom Corporation |
| ICS | Morgan Stanley Dean Witter |
| IDA | IdaCorp, Inc. |
| IDG | Industrial Distribution Group, Inc. |
| IDR | Intrawest Corporation |
| IEE | Integrated Electrical Services, Inc. |
| IEE | Integrated Electrical Services, Incorporated (de-listed) |
| IEI | Indiana Energy, Inc. |
| IEM | Merrill Lynch & Company, Inc. |
| IEU | I E S Utilities, Inc. |