| Navn | Postnummer | By |
|---|---|---|
| Scancomposit A/S | 8940 | Randers SV |
| SCANGRIP A/S | 5700 | Svendborg |
| Schneider Electric Danmark A/S | 2750 | Ballerup |
| SICK A/S | 3500 | Værløse |
| Sjørring | 7700 | Thisted |
| SMC Danmark A/S | 8700 | Horsens |
| Smel Industry ApS | 5854 | Gislev |
| Solutionweb ApS - |Apps|Tracking|Web Kodning| | 2820 | Gentofte |
| SP Industry | 6500 | Vojens |
| Spirax Sarco Ltd. | 3460 | Birkerød |
| SSH Stainless a.s | 5700 | Svendborg |
| Stålrør AS | 2765 | Smørum |
| Stansomatic A/S | 7190 | Billund |
| Sur-Tech A/S | 3520 | Farum |
| SurfCoat A/S | 3520 | Farum |
| SEW-EURODRIVE A/S | 2670 | Greve |
| SIMAC | 5700 | Svendborg |
| Svend Frederiksen Maskinfabrik A/S | 5750 | Ringe |