| Abbreviation | Definition |
|---|---|
| IDG | International Data Group |
| IDHL | ITV Digital Holdings, Limited |
| IDI | Imagine Design Incorporated |
| IDI | Indianapolis Downtown Inc |
| IDI | Informational Displays Inc |
| IDI | Innovative Designs Inc |
| IDI | Innovative Developers Inc |
| IDI | Integrated Design Inc |
| IDI | Integrated Designs, Inc. |
| IDI | Interconnect Devices Inc |
| IDK | Iconiklastique Design Klinik, L.L.C. |
| IDK | Intelligente Datentechnik und Kommunikationskonzepte |
| IDLA | Illinois Dental Laboratory Association |
| IDM | Inditherm, P. L. C. |
| IDMC | Indian Dairy Machinery Company Ltd |
| IDMI | Ironside Design Manufacturing Inc |
| IDMS | Industrial Diesel Manufacturing and Service |
| IDMS | International Data Management Systems, Inc. |
| IDNS | Interior Designers of Nova Scotia |
| IDP | Industrial Dream Productions |