| ID | Name | Type |
|---|---|---|
| #8607 | Lukáš Vlček | + |
| #8609 | Lulu Inc | Z |
| #8610 | Lump Logic | Z |
| #8611 | Lumpsoft | Z |
| #8612 | Lunar Software | Z |
| #8613 | Luncheon Club Micro Programs | Z |
| #8614 | Luncheon Club Software | Z |
| #8615 | Lunn Accounting Services | Z |
| #19363 | Luny | - |
| #22690 | Lupoman | P |
| #8616 | Lusitania | ? |
| #19306 | Lusoft | P |
| #21614 | Lusosoft | P |
| #8617 | Luther-Verlag | Z |
| #8618 | Lutterworth Software | Z |
| #8619 | Lutz Eichler | + |
| #8620 | Lutz Hoepfner | + |
| #8621 | Luxus Software Ostrava | Z |
| #21929 | Luís | + |
| #20065 | Luís Bettencourt Moniz | + |