| Caballero | |
| CAD/CAM/CAE Observer | Riga |
| Caliverse SIA | |
| Capital | Riga |
| Carat Latvia | |
| Catalyco | |
| Cenos | Riga |
| CERT.lv | |
| Cervon Latvia | Riga |
| Chili Labs | |
| Citadele | |
| Citrus Solutions | Riga |
| Codify Group | |
| Codnity | |
| Colorlib | Riga |
| Coma.lv | |
| Commercialization Reactor | Riga |
| CopyMonkey | |
| Corporate Solutions grupa | |
| Corporate Solutions Grupa | |
| CreateIT | |
| Creative Brain Agency | |
| Creative Upfront, SIA | |
| CSC Telecom Latvia | Riga |
| CUBE | Riga |
| Cube Systems | |
| DAN Communications | Riga |
| Data State Inspectorate | Riga |
| Datazenit | Riga |
| Dateks Grupa | Riga |
| Datorpasaule | Riga |
| Daugavpils Universitāte | |
| DBA Competence Center Ltd | |
| DEAC | Riga |
| Dego | Riga |
| DEGO Interactive | |
| DeskTime | Riga |
| DEVNRISE | Riga |
| Diatom Enterprises | Riga |
| Digibrand | |
| Digital Freedom Festival | Riga |
| DigitalGuru | Riga |
| DIRcms | Riga |
| DIVI | Riga |
| Dixipay Ltd | Riga |
| Drafter AI | |
| Draugiem Group | Riga |
| E-Pasaule | Riga |
| E-protect | |
| eComStrive SIA | |