- CityScan
- CityTrack
- CityTransit
- CityTransit - Nowy Sącz
- CityTransit: Bus & Train Times
- CITYWATT
- Ciu App
- CKW E-Mobilität Access
- Clark Crown - Save Every Mile
- Clark's Pump-N-Shop
- Claro Flotas
- ClassNK Directory
- Claxi
- CleanCar
- Clear GPS Locator
- Clearplan
- ClearWater AR
- Clermont Bus
- Cleva!
- Clever A/S
- Clew
- Clic.cat
- Click A Story
- Click BalticTAXI
- Click Taxi
- Click Taxi LV
- Click&Route
- Clientes GPS
- CLIKBUS
- ClimateWatch | SPOTTERON
- ClimaVinea
- Climbing Pins
- Clinovintage
- Clinton Iowa
- Clio App
- ClockWork Delivery
- Cloud Bus TM
- Cloud Gruppen Drive
- Cloud Driving
- Cloud Ingenuity
- Cloud Topper
- CLT Airport
- Club Barci Motoare
- Club Edra