| SeemsNeat | |
| Segfoltas | |
| SemanticForce | |
| Sender.net | |
| SEO Akademia | |
| SEO Vilkai | |
| seo.lt | Vilnius |
| Seogenerolai | |
| Seosite | Vilnius |
| Sertek Media | Vilnius |
| serv.lt | Vilnius |
| serveriai.lt | Vilnius |
| serveris.lt | Vilnius |
| ServiceNet | Klaipėda |
| Šiaulių universitetas | Šiauliai |
| Šiaulių valstybinė kolegija | |
| Šiaurės Lietuvos kolegija | Šiauliai |
| Sigli | |
| Skycop | |
| Skytech UAB | Vilnius |
| Smart Customizer | Vilnius |
| Smartivus | |
| SOFT4 | |
| Softera | |
| SoftiSite | Vilnius |
| Softneta | |
| Softteco | |
| Solidi Apsauga | Vilnius |
| SoliTek | |
| Solutionlab | Vilnius |
| SolutionLab | |
| Sonderdigital.group | |
| SP Deizainas | Vilnius |
| Splius | Vilnius |
| ST Impress | Kaunas |
| Starter Pad | Vilnius |
| Startup Division | |
| Startup Fair | |
| Startup Lithuania | Vilnius |
| StartupHighway | Vilnius |
| StasMobStudios | |
| State Data Protection Inspectorate | Vilnius |
| StatsGlitch | |
| Studijų kokybės vertinimo centras | |
| SUPER HOW? | |
| Superita | Vilnius |
| Šv. Ignaco Lojolos kolegija | |
| svetaine.lt | Vilnius |
| Svetainiu Kurimas | Vilnius |
| Switchere | |