| Abbreviation | Definition |
|---|---|
| INES | Information Network Engineering Solutions |
| INFOF | Information Focus |
| ING | Internationale Nederlanden Groep |
| INHI | InfuSystem Holdings Inc |
| INHS | Inglewood Neighborhood Housing Services |
| INIL | India Newbridge Investments, LTD. |
| INNET | Innovation Network Technologies |
| INNI | International Nutraceutical Network Inc |
| INOC | Iraq National Oil Company |
| INOX | Innovative Extremist Co. |
| INRA | Inland Northwest Research Alliance |
| INRC | Indonesia Natural Resources Corporation |
| INRD | INnovative Research and Development Company, LTD. |
| INRI | Independent Natural Resources, Inc. |
| INRR | Industrie Nouvelle de Recuperation et Reparation |
| INRS | Innovative Natural Resource Solutions, L.L.C. |
| INSAI | INgenieria en Sistemas de Automatizacion Industrial |
| INSC | Innovative Network Solutions Corp |
| INSTINET | Institutional Networks Corporation |
| INTALCO | International Aluminum Company |