Organizations
- C Q Press College Publisher
- CA: Journal of Cultural Analytics Publisher
- CA: Sage Publisher
- CAADRIA Publisher
- CAB International Publisher
- CABI Publisher
- CABI Publishers Publisher
- CABI Publishing Publisher
- CAD Solutions, LLC Publisher
- CAIRN Publisher
- CALI eLangdell Press Publisher
- CASA DE LA CULTURA ECUATORIANA Publisher
- CASS Urban Policy Series Los Angeles Publisher
- CBS Minnesota Publisher
- CCH Inc Publisher
- CCH Inc. Publisher
- CEDAM Publisher
- CERG Publisher
- CERIAS - Purdue University Publisher
- CEUR-WS.org Publisher
- CFA Institute Publisher
- CHCCS/SCDHM Publisher
- CHELONIAN RESEARCH FOUNDATION Publisher
- CIMNE Publisher
- CIRWOLRD Publisher
- CISP Journal Services Publisher
- CLACSO Publisher
- CLOCKSS Archive Publisher
- CMA Impact Inc. Publisher
- CMA Joule Inc. Publisher
- CMTC Publisher
- CMV Verlag Publisher
- CNRI Acct Publisher
- CNRS Editions Publisher
- COPD Foundation Publisher
- CQ Press Publisher
- CRAN Publisher
- CRC Press Publisher
- CRC Press - Taylor and Francis Publisher
- CRC Reef Research Centre Publisher
- CRS Center for Leadership and Management in the Design and Construction Industry Center,Organization
- CSIRO Publishing Publisher
- CSIS Publisher
- CSREA Press Publisher