Culture and religion

Centro Cultural de Belém, a building with cultural facilities in Portugal
Centro Cultural Brasileiro
Christian Community Bible, a family of translations of the Christian Bible
Christian Congregation in Brazil, (Portuguese: Congregação Cristã no Brasil) is a Brazilian evangelical denomination
Christian Council of Britain, an organization which campaigns against Islam
Cole Canoe Base, a summer camp in mid-northern Michigan
Communität Christusbruderschaft Selbitz, a German Lutheran Religious Order
C-C-B, Japanese pop-rock band

Economics and finance

Central Carolina Bank and Trust, formerly headquartered in Durham, North Carolina
China Construction Bank, founded in the People's Republic of China in October, 1954
China Construction Bank (Asia), the former Bank of Canton, founded in Hong Kong in 1912

Canada Child Benefit
Center for Cybersecurity in Belgium [nl]
Civil Cooperation Bureau, an apartheid-era covert hit squad
Close Combat Badge, a US Army badge that was never issued
Combat Command-B, a level of military organization employed by the US Army from 1942 to 1963
Coastal Command Boat, a prototype variant of the Mark VI patrol boat of the US Navy
Combined Communications Board, original name of the CCEB military communications organisation

Calcium channel blocker, a class of drugs
Center for Computational Biology, an NIH-funded center
Centre for Cancer Biology at SA Pathology in Adelaide, Australia
Change control board, (or Configuration Control Board), a committee that makes decisions on proposed changes to software projects
Climate, Community & Biodiversity Alliance, which promotes development of responsible land management activities
Coal combustion byproducts, such as fly ash
Cold conveyor belt, a counterpart to the warm conveyor belt in certain cyclone models
Common Core Booster, first stage of the Atlas V rocket
Critical Care Bypass, a hospital emergency code
Crowd control barrier, a device used to control the movement of people
Computer Control Bus a propriety interface of Sanyo
Community Centered Board, an organization that fits an individual who needs medical support, to facilities that can assist said individual.
Carbon Ceramic Brakes, high performance brakes with ceramic engineering

Clarens–Chailly–Blonay Railway, a former railway company in Switzerland
Cable Airport (IATA airport code CCB) in Upland, California
Cross car beam, structural member located under the instrument panel of most vehicles