| Abbreviation | Definition |
|---|---|
| JDD | John Davis Design, LTD. |
| JDDC | Jackson Downtown Development Corporation |
| JDDC | Jai Dhanopma Drilling Company |
| JDE | J.D. Edwards (now owned by Oracle) |
| JDE | Jack Thompson, Dan Gregory, Edward McVaney |
| JDE | Jason Daily Enterprises |
| JDEA | James Douglas Evans Architect, Inc. |
| JDEC | Jeff Davis Electric Co-op |
| JDEC | Jinan Diesel Engine Company |
| JDG | J. David Gibbs, Travelers Claim Services |
| JDG | Janes Defense Group |
| JDG | Justice Design Group |
| JDI | Jane Doe Inc |
| JDI | Japan Display Inc |
| JDJ | John De Jong |
| JDL | Jet Dynamic Labs |
| JDM | Janet Davis Music |
| JDM | Japanese Division Manufactory |
| JDM | Japanese Domestic Motor |
| JDM | Justin Downey Marketing |