| Nimi | Paikkakunta |
|---|---|
| Coaching by Heli | Turku |
| Cobble Oy | Turku |
| Code Solutions Ky | Turku |
| CodeFraction Oy | Turku |
| Coderum Oy | Turku |
| Codesense | Turku |
| COLECO Oy | Turku |
| Collegium Intellegentiae oy | Turku |
| Collegium ORL-HNS ry | Turku |
| Colonic-Suomi | Turku |
| Color Me Beautiful Renee Lauren | Turku |
| Computer Boys | Turku |
| Computus Tmi | Turku |
| Conanu Marketing Services | Turku |
| Conectron | Turku |
| Connect Travel | Turku |
| Considera Ky | Turku |
| Consport | Turku |
| Copia Librorum | Turku |
| Cordao de Ouro - Volta por cima, Turku ry | Turku |
| Corenne Oy Ab | Turku |
| Coretech | Turku |
| Corner Finland | Turku |
| Country Mate Europe Oy | Turku |
| Coura Oy | Turku |
Yritysesittely