| Abbreviation | Definition |
|---|---|
| ISAM | International Symposium Additive Manufacturing |
| ISCM | International Symposium on Composites Manufacturing |
| ISM | Integrated Security Manufacturing |
| ISM | Islamic State Manufacturing |
| ISMI | International SEMATECH Manufacturing Initiative |
| ISO | International Standard Organization |
| ISR | Inventory Stock Records |
| ISS | Inside Skin Surface |
| ISS | Integrated Sealing System |
| IT | Interim Tool |
| ITAR | International Traffic in Arms Regulation |
| ITM | International Tool Manufacturing |
| ITMACE | Information Technology for Manufacturing Automation and Concurrent Engineering |
| ITMC | Iran Telecommunication Manufacturing Company |
| IVP | ntegration Verification Plan |
| IVP | Integration Verification Plan |
| IVT | Interim Visualization Tool |
| IWA | Interdivisional Work Authorizations |
| IWA | nterdivisional Work Authorizations |
| IxP | Index Plan |