| Acronym | Definition |
|---|
| SDID➣Subsystem Device ID (computing) |
| SDID➣Secondary Data Identification |
| SDID➣Systron Donner Inertial Division (Custom Sensors & Technologies; Moorpark, CA) |
| SDID➣Super D Independent Distribution (Irvine, CA) |
| SDID➣System Design Implementation Document (Land Mobile Radio - Base Radio Systems) |
| SDID➣Software Design Implementation Document |
| SDID➣Subsurface Drainage Improvement District |
| SDID➣Secure Digital Identification |