Marken in Oldenburg
- C & A Mode (1)
- Cafe & Bar Celona (2)
- Cafe Extrablatt (2)
- Calzedonia (1)
- CAMP DAVID | SOCCX (2)
- car akustik (1)
- CARGLASS (1)
- Caritas (4)
- CASAMODA Heinrich Katt (6)
- CECIL (3)
- CHRIST Juweliere (1)
- CinemaxX (1)
- Citipost (2)
- CJD Christliches Jugenddorfwerk Deutschlands (1)
- Clean Car Autowaschanlagen (1)
- CLINIC IM CENTRUM (1)
- Clinique (1)
- Combi Verbrauchermarkt (5)
- COMCAVE.COLLEGE (1)
- comma Store (1)
- COMMERZBANK (1)
- CONTIGO Fairtrade (1)
- Continentale Versicherungsverbund (1)
- Contipark (2)
- Cosmo Hairshop (2)