Lista Ong-urilor din Prahova
| Denumire | Județ | Localitate ▲ ▼ |
| Asociatia Elevilor Liceenii Plopeni Prahova | Prahova | Plopeni |
| Asociatia Elevilor Si Studentilor Basarabeni Din Prahova | Prahova | Ploiesti |
| Asociatia Elim Ploiesti | Prahova | Ploiesti |
| Asociatia Eliseo | Prahova | Ploiesti |
| Asociatia Ella Ploiesti | Prahova | Ploiesti |
| Asociatia Elpida Via Zoii | Prahova | Ploiesti |
| Asociatia Emanuel Un Act De Bunatate | Prahova | Gornet |
| Asociatia Energy Campina | Prahova | Campina |
| Asociatia Enki | Prahova | Baicoi |
| Asociatia Erasmus House | Prahova | Ploiesti |
| Asociatia Erasmus Student Network (esn) Romania | Prahova | Campina |
| Asociatia Eric Stefan | Prahova | Teisani |
| Asociatia Eu Si Endometrioza | Prahova | Ploiesti |
| Asociatia Euro Business Club 2006 | Prahova | Plopeni |
| Asociatia Euro Carpatians Project Busteni | Prahova | Busteni |
| Asociatia Euro Spirit | Prahova | Ploiesti |
| Asociatia Eurocentrul Petrol Mediu Energii Regenerabile | Prahova | Ploiesti |
| Asociatia Euroed | Prahova | Drajna De Jos |
| Asociatia Europa | Prahova | Ploiesti |
