| ID | Name | Type |
|---|---|---|
| #8419 | Lethaby Numbering Systems | Z |
| #16611 | Lev Grinberg | + |
| #8420 | Level 3 | ? |
| #8421 | Level 9 Computing Ltd | P |
| #21147 | Lever Jones | Z |
| #8422 | Lewis Carroll | - |
| #8423 | Lewis Jones | + |
| #17419 | Lewis, JD (Computers & Repair Service) | R |
| #8424 | Lexus | ? |
| #8425 | Leycester Whewell | ? |
| #8426 | Lez Peranto Ltd | Z |
| #8427 | Liam Data | ? |
| #8428 | Liam Donaghey | ? |
| #8429 | Liam Shields | ? |
| #8430 | Liam Walsh | ? |
| #22413 | Liansoft & Alexco | P |
| #23034 | Liberation Software | Z |
| #8431 | Libreria General | ? |
| #19936 | Libânio Manuel Guerreiro | + |
| #18959 | Lider Soft | P |