| ID | Name | Type |
|---|---|---|
| #21182 | Lado Baumkirher | + |
| #8275 | Ladybird Books | Z |
| #18517 | LaesQ | + |
| #8276 | Lajos Palankai | + |
| #18016 | Lajos Palanki | - |
| #8277 | Laks | U |
| #17411 | Lamanva Software | S |
| #21708 | Lambda Electronics Limited | Z |
| #8278 | Lambourne Games | Z |
| #20135 | Lamer Pinky | - |
| #17412 | Lamina Keyboards | S |
| #19166 | Lampros Potamianos | + |
| #8280 | Lancashire Micros | S |
| #8281 | Lance A. Leventhal | ? |
| #8282 | Lance R. Mason | + |
| #16251 | Lance Sucharov | + |
| #8283 | Lancing Technical Services Ltd | Z |
| #17413 | Landau Electronics | H |
| #8284 | Lander | ? |
| #8285 | Lander Microsystems | Z |