| Rank | Abbreviation | Meaning |
|---|
| ***** | IDDA | Intra-Departmental Delegation of Authority
| |
| ***** | IDDA | ID Desktop Assistant
| |
| ***** | IDDA | id Demo Analyzer
| |
| **** | IDDA | Ich Dich Doch Auch
| |
| *** | IDDA | Instrumental Data for Drug Analysis
| |
| *** | IDDA | International Drylands Development Association
| |
| *** | IDDA | Illawarra District Darts Association
| |
| ** | IDDA | Institute of Drafting and Design Australia
| |
| ** | IDDA | Integrated Dynamic Decision Analysis
| |
| ** | IDDA | Interior Decorators and Designers Association
| |
| ** | IDDA | Intelligent Design by Direct Action
| |
| ** | IDDA | International Diamond Dealers Association
| |
| ** | IDDA | Illinois Door Dealer Association
| |
| * | IDDA | Industrial District Development Association
| |
| * | IDDA | Internet Demolition Derby Association
| |
| * | IDDA | Integrated DNA Diagnostics Australia
| |
| * | IDDA | International Demolition Derby Association
| |
| * | IDDA | Internet Design & Development Associates
| |
| * | IDDA | Indian Development District of Arizona
| |
| * | IDDA | Indian Developmant District of Arizona
| |
| * | IDDA | Industrial Development Decade in Africa
| |
| * | IDDA | Idaho Department of Agriculture
| |
| * | IDDA | International Disc Duplicating Association
| |
| * | IDDA | Iowa Drainage District Association
| |
| * | IDDA | International Dairy-Deli Association
| |