| Abbreviation | Definition |
|---|---|
| DI | Defiance Industries |
| DI | Deseret Industries |
| DI | Destination Imagination |
| DI | Digital Interactive |
| DIA | Delaware Investment Advisors |
| DIAL | Delhi International Airport Ltd |
| DIB | Dansk International Bosætningsservice |
| DIB | Demaree Inflatables Boats |
| DIC | Dainippon Inks and Chemicals |
| DIC | Denyer Insurance Consultancy |
| DIC | Diamond International Corporation |
| DIC | Diamonds International Corporation |
| DIC | Dreams In Cinema |
| DIC | Dubai Internet City |
| DIC | Dynamite International Corp |
| DIC | Dynamite International Corporation |
| DICA | Directorate for Investment and Company Administration |
| DICA | Directorate of Investment and Company Administration |
| DICAN | Diamonds International Canada |
| DICE | Digital Illusions Computer Entertainment |