| Abbreviation | Definition |
|---|---|
| ITN | Insecticide-Treated Net |
| ITO | Inventory To Order |
| ITP | Industrial Threaded Products |
| ITP | Inspection and Test Plan |
| ITR | Inspection and Test Report |
| ITR | Instant Timer Recording |
| ITR | Invisible Thread Reel |
| ITU | Intend To Use |
| IUDB | IronCompany Urethane Dumbbell Set |
| IUDJ | Infinite Use Detail Juice |
| IUL | Indexed Universal Life |
| IUP | Innovative Utility Products |
| IVETHSARAI | jewelry store |
| IVT | Infinitely Variable Transmission |
| IW | Inlay Width |
| IWB | In the Waist Band |
| IWL | In Warranty Labor |
| IWP | Individual Wrap Package |
| JAJ | James A. Jobling glasswork |
| JAM | Just Another Make |