| NW-EV 304 | Eyckeler & Malt AG Hilden, Nordrhein-Westfalen |
| NW-EZ 315 | Eyckeler & Malt AG Hilden, Nordrhein-Westfalen |
| EZ 318 | Eyckeler & Malt AG Hilden, Nordrhein-Westfalen |
| SISD | Single Instruction Single Data |
| SDSL | Single Line / Single Pair / Symmetric Digital Subscriber Line |
| SE | Single Ended |
| SEA | Single European Act |
| SF | Single Frequency |
| SVD | Single Value Decomposition |
| SD | Single Density |
| SSO | Single Sign On |
| SSIMM | Single RAS SIMM |
| SSB | Single Sideband |
| SLP | Single Link Protocol |
| SDI | Single Document Interface |
| SDR | Single Data Rate |
| SSI | Single System Image |
| SS | Single Shift / Sided |
| SEC | Single Edge Cartridge |
| SEC | Single Electron Capture |
| SEC | Single Error Correction |
| SE-SCSI | Single Ended SCSI |
| SET | Single Electron Transistor |
| SPOF | Single Point Of Failure |
| SIPP | Single In-Line Pin Package |
| SMF | Single Mode Fiber |
| SLR | Single Lense Reflex Spiegelreflexkamera |
| SLP | Single Link Procedure Datenübertragungsprozedur |
| SCPC | Single Channel Per Carrier |
| SAS | Single Audio System |
| SBC | Single Board Computer |
| SBC | Single-Bond Correlation |
| sbcs | Single Byte Character Set |
| SBE | Single Byte Extension |
| 1S | Single Sided [engl.] Nur einseitig beschriebenes Speichermedium |
| SCA | Single Connector Attachment |
| SCE | Single-Centre Expansion |
| 1D | Single Density [engl.] Einfache Dichte bei Speichermedien |
| SAD | Single Atom Detection |
| SAA | Single Assignment Approach |
| SNCP | Single Node Control Point |
| SLED | Single Large Expensive Disk |
| HSQC | Heteronuclear Single Quantum Correlation |
| SIMM | Single Inline Memory Module |
| SIRDS | Single Image Random Dot Stereogram |
| SPMD | Single Program Multiple Data |
| SCOS | Single Copy Object Store |
| FSMO | Flexible Single Master Operation |
| ECSS | Exalted Carrier Single Sideband |
| SEPP | Single Edge Processor Package |