| Central Capital Ventura | Jakarta |
| CentrinOnline | Jakarta |
| CIMB Niaga | |
| CitCall | |
| Clinisindo Laboratories | |
| Cloudku | East Java |
| Cloudmatika | Jakarta |
| CodeLabs | Banten |
| CoLearn | |
| Communic8 | |
| Communication for Change | Jakarta |
| Compro.id | Jakarta |
| Computa | Yogyakarta |
| Concrete Space | |
| Coniolabs | |
| Convergence Ventures | Jakarta |
| Corpora | West Java |
| Council of International Chambers of Commerce | |
| Coworkinc | |
| Cranium Indonesia | Jakarta |
| Crewdible | |
| Crocodic | |
| CrowdDana | Jakarta |
| Cutitronics | |
| CV Codespace Indonesia | |
| CV. Djamboe WebDesign | West Sumatra |
| Cygnet Pericon | Jakarta |
| D-NET | East Java |
| Dagangan | Yogyakarta |
| DailySocial | Jakarta |
| DANA Indonesia | |
| Danamart | Jakarta |
| Dapur Hosting | Jakarta |
| Datamaya Consulting | |
| DeDoHo | East Java |
| Dermama Bioteknologi Laboratorium | |
| Dexcode, Inc. | |
| DGtraffic | Jakarta |
| DiCloud | |
| Dicoding | West Java |
| Digiasia | Jakarta |
| DigiBali | Bali |
| Digify | Jakarta |
| Digigarda | Jakarta |
| Digital Amoeba | West Java |
| Digital Center | Jakarta |
| Digital Enterprise Indonesia | Jakarta |
| Digital Kreasi | South Sumatra |
| Digital Mark Reader | West Java |
| Dihardja Software | |