| Creano | Paris |
| Creapixel62 | Pas-de-Calais |
| Creaprojet | Côte-d'Or |
| CreaPulse | |
| Créaquercy | Lot |
| Creasit | Loire-Atlantique |
| CréaSites Sud-Ouest | Gironde |
| Creasquare S.A.S. | |
| Creation de Sites Internet | Paris |
| Création Internet Agency | Ain |
| Creation Multimedia Line | Yvelines |
| Créations Solutions Services S.A.R.L. | Haute-Garonne |
| Creatis web | Indre-et-Loire |
| Creative Crossway | Maine-et-Loire |
| Creative IT | Métropole de Lyon |
| Creative Tech | |
| Creative Valley | |
| CreativLink | |
| Creatys | Rhône |
| Créavalor | Rhône |
| Creawe Services | Isère |
| Creaweb | Indre-et-Loire |
| Crédit Agricole Corporate & Investment Bank | Hauts-de-Seine |
| Crédit Agricole S.A. | |
| Crédit Foncier de France | |
| Crédit Municipal de Paris | |
| Crédit Mutuel | |
| Crédit Mutuel Factoring | |
| Crédoc | Paris |
| CreezVotreBoutique.com | Vaucluse |
| Crescendo-Systèmes International S.A.R.L. | Paris |
| Cricel | Gironde |
| CRIF Informatique | Isère |
| Crisalid | Moselle |
| Crisp IM S.A.R.L. | Loire-Atlantique |
| Cristal Concept S.A. | Haute-Savoie |
| Cristallin | Aube |
| CRM & DATA S.A.R.L. | Hauts-de-Seine |
| CRM360 | Nord |
| Croc pop up + | Loire-Atlantique |
| Croll | Paris |
| Crossject | |
| CrowdSec | |
| CRT Informatique | Maine-et-Loire |
| Crumble Création | Loire-Atlantique |
| Cryptio | |
| Crypto | Meurthe-et-Moselle |
| Cryptoast | |
| Cryptonaute | |
| CryptoNext S.A.S. | |