| CC&CC | Car Collector and Car Classics 
| Others |
| CCCC | C and C Code Counter
| Others |
| CCCC | Cajun Clickers Computer Club
| Others |
| CCCC | Calhoun County Cultures and Cuisines
| Others |
| CCCC | Calvert City Church of Christ
| Others |
| CCCC | Cambridge Center for Chinese Culture
| Others |
| CCCC | Cambridgeshire County Cricket Club
| Others |
| CCCC | Camden County Community College
| Others |
| CCCC | Campbell County Community College
| Others |
| CCCC | Camping Car Club Centre
| Others |
| CCCC | Canadian Corkscrew Collectors Club
| Others |
| CCCC | Canadian Council of Corvette Clubs
| Others |
| CCCC | Canyon Country Community Center
| Others |
| CCCC | Cape Cod Community College
| Others |
| CCCC | Cape Cod Corvette Club
| Others |
| CCCC | Cape Colony Cyclist Corps
| Others |
| CCCC | Capital City Car Club
| Others |
| CCCC | Capital City Corvette Club
| Others |
| CCCC | Caprock Classic Car Club
| Others |
| CCCC | Cardigan Classic Car Club
| Others |
| CCCC | Carolina Classic Car Club
| Others |
| CCCC | Caroline Chisholm Catholic College
| Others |
| CCCC | Cedar Creek Corrections Center
| Others |
| CCCC | Center City Commuter Connection
| Others |
| CCCC | Central California Corvette Club
| Others |
| CCCC | Central Carolina Community College
| Others |
| CCCC | Central Coast Car Club
| Others |
| CCCC | Central Coast Commodore Club
| Others |
| CCCC | Central Colorado Corvette Club
| Others |
| CCCC | Cerro Coso Community College
| Others |
| CCCC | Chautauqua County Chamber of Commerce
| Others |
| CCCC | Cheque and Credit Clearing Company
| Others |
| CCCC | Cherry Capital Cycling Club
| Others |
| CCCC | Chesapeake Classic Car Club
| Others |
| CCCC | Cheshire Classic Car Club
| Others |
| CCCC | Cheshire County Cricket Club
| Others |
| CCCC | Chiangmai Christian Community Classifieds
| Others |
| CCCC | Chicago Center for Contemporary Composition
| Others |
| CCCC | China Communications construction company
| Others |
| CCCC | China Communications Construction Company Ltd.
| Others |
| CCCC | Choo Choo Corvair Club
| Others |
| CCCC | Christ Church Cathedral Choir
| Others |
| CCCC | Cichlid Classic Convention Chair
| Others |
| CCCC | Circle City Corvette Club
| Others |
| CCCC | Cisco Certified Computer Cat
| Others |
| CCCC | Clacton Classic Car Club
| Others |
| CCCC | Clark County Community College
| Others |
| CCCC | Classic Car Club of Ceylon
| Others |
| CCCC | Classic Chassis Car Clubs
| Others |
| CCCC | Classic Corvettes of Charlotte County
| Others |
| CCCC | Classic Cruisers Car Club
| Others |
| CCCC | Clear Creek Community Church
| Others |
| CCCC | Clear Creek Community Council
| Others |
| CCCC | Clipper City Corvette Club
| Others |
| CCCC | Cloud County Community College
| Others |
| CCCC | Coalition For Compassionate Care Of California
| Others |
| CCCC | Coastal Carolina Community College
| Others |
| CCCC | Coastal Carolina Corvette Club
| Others |
| CCCC | Cokes Cards Cigarettes and Characters
| Others |
| CCCC | Colac Collectable Car Club
| Others |
| CCCC | Collection Car's Club de Cannes
| Others |
| CCCC | Collector Car Council of Colorado
| Others |
| CCCC | College Career Center Consortium
| Others |
| CCCC | Collin County Community College
| Others |
| CCCC | Colonial Candles Of Cape Cod
| Others |
| CCCC | Combat Casualty Care Course
| Others |
| CCCC | Combined Coastal Car Club
| Others |
| CCCC | Combined Community Charity Challenge
| Others |
| CCCC | Commonwealth College Course Collaborative
| Others |
| CCCC | Communication, Coordination, Cooperation and Clarity
| Others |
| CCCC | Communication, Creativity, Critical thinking, and Collaboration
| Others |
| CCCC | Community Catholic Church of Canada
| Others |
| CCCC | Community Child Care Center
| Others |
| CCCC | Community Child Care Connection
| Others |
| CCCC | Community Connection for Child Care
| Others |
| CCCC | Community Coordinated Child Care
| Others |
| CCCC | Compendium of the Catechism of the Catholic Church
| Others |
| CCCC | Complete Car Care Center
| Others |
| CCCC | Computer Command and Control Company
| Others |
| CCCC | Computerized Conferencing And Communications Center
| Others |
| CCCC | Concentric Core Current Comparator
| Others |
| CCCC | Conference College Composition and Communication
| Others |
| CCCC | Conference on College Composition and Communication
| Others |
| CCCC | Conservative Congregational Christian Conference
| Others |
| CCCC | Continuously Chassis Control Concept
| Others |
| CCCC | Contra Costa Community College
| Others |
| CCCC | Cool Cardstock Cornucopia Collection
| Others |
| CCCC | Copic Cute Chrismas Cards
| Others |
| CCCC | Cornwall County Cricket Club
| Others |
| CCCC | Corpus Christi College, Cambridge
| Others |
| CCCC | Corpus Christi Corvette Club
| Others |
| CCCC | Cortina Capri Car Club
| Others |
| CCCC | Cosmic Coincidence Control Center
| Others |
| CCCC | Cover Collector Circuit Club
| Others |
| CCCC | Crafty Cunning Conniving Cohorts
| Others |
| CCCC | Crayford Convertible Car Club
| Others |
| CCCC | Creating A Caring Community For Couples
| Others |
| CCCC | Creole Classic Car Club
| Others |
| CCCC | Crescent City Corvette Club
| Others |
| CCCC | Crossroads Cruisers Car Club
| Others |
| CCCC | Cruisin' Classics of Chester County
| Others |
| CCCC | Cumberland County Chess Club
| Others |
| CCCC | Cumberland County Civic Center
| Others |
| CCCC | Cumberland County Cricket Club
| Others |
| CCCC | Cut Clarity Color and Carat
| Others |