| ID | Name | Type |
|---|---|---|
| #13983 | Stivsoft | Z |
| #13984 | Stocks & Shares | Z |
| #13985 | Stocksoft | Z |
| #17788 | Stockton Mail Order | H |
| #16412 | Stomu Ng | ? |
| #13986 | Stonechat Productions | Z |
| #13987 | Stonechip Electronics | P |
| #13988 | Stonehenge Soft Art | Z |
| #19676 | Stoo | - |
| #13989 | Storm Software [1] | Z |
| #13990 | Storm Software [2] | Z |
| #13991 | Storm and Tempest | Z |
| #13992 | Stormbringer | ? |
| #13993 | Stormbringer Software | Z |
| #13994 | Story-Teller | ? |
| #13995 | Strad-E | ? |
| #19985 | Strand Games | P |
| #13996 | Strange Loop | ? |
| #13997 | Strange Obsessions | Z |
| #13998 | Strange Software | Z |