| LECUREUX SA | E13 | ![]() | |
| LEGOR GROUP SPA | F59 | ![]() | |
| LEICA MICROSYSTEMS | R16 | ![]() | |
| Léon JACCARD SA | B02 | ![]() | |
| LES ARTISANS BOITIERS SA | B35 | ![]() | |
| LI CALZI TECHNOFRAP SA | F55 | ![]() | |
| LIC Leather | P31 | ![]() | |
| LIFESTYLE FACTORY | R91 | ![]() | |
| LIGHT CONVERSION | G114 | ![]() | |
| LightPulse LASER PRECISION | J107 | ![]() | |
| Linde Gas Schweiz AG | G107 | ![]() | |
| LM CADRANS SA | M50 | ![]() | |
| LOUIS BELET - Cutting tools | J16 | ![]() | |
| LOUIS LAURENT SAS | M65 | ![]() | |
| LPKF Laser & Electronics SE | J116 | ![]() | |
| LTA - LABORATOIRE DE TECHNOLOGIE AVANCÉE | L121 | ![]() | |
| LTM SA | G51 | ![]() | |
| LTR LE TEMPS RETROUVÉ | Q43 | ![]() | |
| LUIGI DAL TROZZO | A39 | | |
| LUXE&TECH | M37 | ![]() | |
