| ID | Name | Type |
|---|---|---|
| #13184 | Serzhsoft | Z |
| #13185 | Sesomsoft | Z |
| #13186 | Sestavil Janzekovic | + |
| #13187 | Set | ? |
| #13188 | Seth McEvoy | + |
| #13189 | Seurasoft | Z |
| #13190 | Seven Stars Publishing | Z |
| #18529 | SevenFFF | - |
| #13191 | Sevenoaks | ? |
| #13192 | Severn Software | P |
| #13193 | Seymour Papert | + |
| #13194 | Seymour Systems | Z |
| #13195 | Sgt. Pepper | ? |
| #18832 | ShaMAN | - |
| #13196 | Shades | Z |
| #13197 | Shadow | ? |
| #19564 | Shadow Games | Z |
| #20284 | Shadow Group | P |
| #13198 | Shadow Maker | - |
| #17692 | Shadow Realm | S |