52 selected
- Not filled in
- C. Mielow
- C. Miller & Co.
- C.T. Altwasser
- Campbeltown Pottery
- Capodimonte
- Carl Friedrich Boseck & Co
- Carlton Ware
- Carngahoun pottery
- Carstens, West-Germany
- Carter, Tony
- Castel
- Castle ceramics
- Cauldon, England
- Ceramano Ransbach-Baumbach Germany
- Ceramica ND Dolfi snc / Montelupo ( F)
- Ceramiche Colzi snc
- Ceramiche da tavola
- Ceramika Artystyczna, Boleslawiec [Poland]
- Céranord
- Ch Dauw - Van Eesbeeck Appelterre
- Chanowski Production
- Charles Ahrenfeldt
- Chemkefa
- China
- Ching-te Cen
- Chodov
- Chodziez
- Churchll
- CIC (Certified International Corp.)
- Cincasolo
- Ciro aardewerk
- City of Industry CA.
- Clarice cliff
- Clin-midy
- CMielów
- Coca-Cola
- Coceram Quaregnon België
- Cochran
- Coopercraft
- Copeland and Spode
- Copeland Spode's Tower
- Copier Leerdam
- Cor Unum Den Bosch
- Cor Unum Pottebakkerij
- Cormar
- Cosy & Trendy
- Country Artists
- Coventry
- CP Colditz GDR
- Crown Staffordshire, England
- CU
- Czechoslovakia