•
Canadian Federation of Students •
Canadian Forest Service •
Center for Financial Studies, a research institute affiliated with Goethe University Frankfurt, Germany •
Center for Subjectivity Research, a research institute affiliated with the University of Copenhagen, Denmark •
Centre for Food Safety, the food safety authority of the Hong Kong government •
Child and family services, a government or non-profit organisation •
Christian Family Solutions, a Christian non-profit social service agency headquartered in Germantown, Wisconsin, US •
Citizens for Sunshine, an Ohio, US nonprofit promoting access to public records •
Committee on World Food Security, in the United Nations System •
Commonwealth Fusion Systems, an American fusion energy company •
Co-operative Financial Services, former name of a UK-based banking and insurance company •
Conservative Future Scotland, the youth branch of the Scottish Conservative Party •
Corpo Forestale dello Stato, the Italian state forestry department •
Craigmillar Festival Society, a former community organisation in Edinburgh, Scotland • Craniofacial Society of Great Britain and Ireland •
South Australian Country Fire Service, a volunteer firefighting service
Central Flying Schools •
Central Flying School, a Royal Air Force training establishment •
Central Flying School RAAF, a Royal Australian Air Force training establishment •
Central Flying School RNZAF, a Royal New Zealand Air Force unit •
Central Flying School SAAF, a flight school of the South African Air Force ==Places==