| Portables.org | Indre-et-Loire |
| Portail Pro | Nord |
| Portobello Communication | Mayenne |
| Posos S.A.S. | |
| Post Scriptum Agence Web | |
| Poster IT | Hauts-de-Seine |
| PouipouiDesign | Loire |
| Pouzere Consulting | Val-d'Oise |
| Powder | Paris |
| Powell Software | |
| Powens | |
| Power | Métropole de Lyon |
| Power Design Technologies S.A. | |
| Power System Technology | Orne |
| Power-web.fr | |
| Power:On | |
| PowerTech Systems | |
| PowerZ | |
| Poxel S.A. | |
| Praco | Paris |
| PragmaDev | Paris |
| Pramana | |
| Prana R&D | Corrèze |
| Praticburo | Nord |
| Precilog | Yvelines |
| PredicSis | Côtes-d'Armor |
| Prediction BioSciences | |
| Predictive Machine | Hérault |
| Prelab | Loiret |
| Preligens | |
| Preligens | |
| Prélude Prod | |
| Premium | |
| Premium Contact | |
| Premium Telecom | Hauts-de-Seine |
| Premium-Computer | Val-d'Oise |
| Prerequis | Paris |
| Prescom | Yvelines |
| Presencity | |
| Presse-citron | Bas-Rhin |
| Pressi | Val-de-Marne |
| PrestaShop | |
| PrestaShop S.A. | Paris |
| Prestimedia | |
| Prestwick Chemical Libraries | |
| Preta S.A.S. | |
| Pretto | |
| Pretty Simple | |
| Prevent2care Lab | Paris |
| Previdata | Bouches-du-Rhône |