| ID | Name | Type |
|---|---|---|
| #18710 | Spoozilla | - |
| #13677 | Sport & Racing Software | Z |
| #13679 | Sport-Sim | ? |
| #13680 | Sports Impact Ltd | Z |
| #13681 | Sportscene Specialist Press | Z |
| #13682 | Sportsoft | Z |
| #22439 | Spotlessmind1975 | P |
| #17782 | Sprakefield | S |
| #13683 | Springer-Verlag | Z |
| #13684 | Sprites | Z |
| #13685 | SproD | ? |
| #13686 | Sprytes Ltd | Z |
| #13687 | Spu | ? |
| #22285 | Spud | - |
| #21930 | Sputnik Soft | P |
| #13688 | Spy | ? |
| #13689 | Square Enix | Z |
| #13690 | Square Peg | ? |
| #13691 | Squaresoft | Z |
| #22423 | Squizer | + |