| Abbreviation | Definition |
|---|---|
| IGCA | Innovative GAming Corporation of America |
| IGCO | Intergold Corporation |
| IGEN | I G E N International, Inc. |
| IGLD | Internet Gold- Golden Line |
| IGNE | Igene Biotechnology, Inc. |
| IGOC | IGo Corporation |
| IGPFF | Imperial Ginseng Products, LTD. |
| IGTE | Igate Capital Corporation |
| IGTI | Image Guided Technology, Inc. |
| IGTPF | I G T Pharmaceuticals, Inc. |
| IHCO | Interstate Hotels Corporation |
| IHHC | International Holdings Company (delisted) |
| IHHI | In Home Health, Inc. |
| IHII | Industrial Holdings, Inc. |
| IHIIL | Industrial Holdings, Inc. |
| IHIIW | Industrial Holdings, Inc. Warrants |
| IHIIZ | Industrial Holdings, Inc. |
| IHITF | International Hi Technology Industries, Inc. |
| IHSC | Insight Health Services Corporation |
| IHWY | Information Highway.com, Inc. |