| Abbreviation | Definition |
|---|---|
| SFI | Shop Floor Information |
| SFMF | SFR Fuel Manufacturing Facility |
| SHAKTI | Manufacturer and trader |
| SHEA | "Safety, Health and Environmental Affairs" |
| SHEA | Safety, Health and Environmental Affairs |
| SHEC | Safety, Health, Environment Community |
| SHEC | Safety, Health, Environment & Community |
| SHM | Structural Health Management |
| SIM | System Interface Model |
| SIMT | Southeastern Institute of Manufacturing and technology |
| SIP&T | Systems Integration Processes & Tools |
| SIR | Safety Interlock Relay |
| SIR | Special Inspection Requests |
| SIR | Supplier Information Requests |
| SLATE | System Level Automation Tool for Engineering |
| SLIM | Systems Layout Intent Model |
| SLRR | Surface Limited Redox Replacement |
| SM | Semiconductor Manufacturing |
| SM | Sheet Metal |
| SM | Supplier Management |