| (e).studio | |
| (USA) Massachusetts Institute of Technology (MIT) | |
| 01-Download.com | Paris |
| 01-Technologies | |
| 01101informatique | Vaucluse |
| 01download.net | Nord |
| 01Jeux | Métropole de Lyon |
| 01net | Paris |
| 1 Hébergement | Alpes-Maritimes |
| 1&1 Internet SARL | Moselle |
| 1'formatique | Doubs |
| 1-Click Media S.A. | Paris |
| 1-ter-net SARL | Loire-Atlantique |
| 100% Net | Hérault |
| 100000 Volts | Isère |
| 1000mercis Group | |
| 1001pact | |
| 1001startups.fr | Hérault |
| 1002 Studio | Hérault |
| 104Factory | |
| 11VM Serv | Paris |
| 123 Consommables | Alpes-Maritimes |
| 123 en ligne | Alpes-Maritimes |
| 123-fr.com | Paris |
| 123.fr | Paris |
| 123asso | Paris |
| 123monsite | Paris |
| 123Paie | |
| 123pc | Côte-d'Or |
| 123position | Bouches-du-Rhône |
| 123presta | Gard |
| 123training.com | Loire-Atlantique |
| 123Venture | Paris |
| 12Planet | |
| 13-informatique | Bouches-du-Rhône |
| 1980 Games | Paris |
| 1again | Bouches-du-Rhône |
| 1ère Position | Paris |
| 1ère Position | |
| 1er degré | Paris |
| 1ER Euro Réseau-DryDesign | Seine-Saint-Denis |
| 1fonet Services | Bouches-du-Rhône |
| 1FOPRESTA | Yvelines |
| 1Formatik | Yvelines |
| 1foTeam | Seine-Maritime |
| 1G6, Ingénierie Système | Bas-Rhin |
| 1GENEi | |
| 1Genia.com | Val-de-Marne |
| 1Kubator | |
| 1NEWWEB | Paris |