C · 36
- C&C Offset Printing Co., Ltd1
- Cambridge University Press74
- Canelo Crime1
- Canongate26
- Carina Press2
- Castle Point Books1
- Cavendish Square Publishing1
- CBS Publishers & Distributors3
- Cbs Pulishers1
- Central Bank of Sri Lanka1
- Century7
- Chandana Mendis Prakashana4
- Chandhana Mendis30
- Chandula Publisher1
- Chatto & Windus2
- Chemwin Chemistry Academy & Publishers1
- Chemwin Publications14
- Chicken House3
- Chirani Amarasighe1
- Christopher Helm1
- Chronicle Books1
- Clarendon Press1
- Cloud Publishers2
- Collins Publishers7
- Colombo Medical Faculty Publishers1
- Corgi Books27
- Cornerstone5
- Cornerstone Digital5
- Coronet Books7
- Corsair3
- Corvus14
- Courier Corporation2
- CR Publishers3
- CRC Press1
- CreateSpace Independent Publishing Platform3
- Crown1