| CCOC | Canadian Children's Opera Chorus 
| Others |
| CCOC | Canadian Children's Opera Company
| Others |
| CCOC | Canadian Childrens Opera Chorus
| Others |
| CCOC | Capital Circle Office Center
| Others |
| CCOC | Capitol City Opera Company
| Others |
| CCOC | Carthage Chamber Of Commerce
| Others |
| CCOC | Catholic Charities of Onondaga County
| Others |
| CCOC | Catholic Charities of Orange County
| Others |
| CCOC | Central County Occupational Center
| Others |
| CCOC | Centretown Citizens Ottawa Corporation
| Others |
| CCOC | Chabad's Children of Chernobyl
| Others |
| CCOC | Chabads Children Of Chernobyl
| Others |
| CCOC | Chelsea Chamber Of Commerce
| Others |
| CCOC | Chicagoland Chamber Of Commerce
| Others |
| CCOC | Christian Community Outreach Center
| Others |
| CCOC | City Club of Cleveland
| Others |
| CCOC | Clarion Canine Obedience Club
| Others |
| CCOC | Clerk of Courts Operations Corporation
| Others |
| CCOC | Clerks of Court Operations Corporation
| Others |
| CCOC | College Conference on Cooperatives
| Others |
| CCOC | Combustion Chamber Outer Casing
| Others |
| CCOC | Community Colleges Of Colorado
| Others |
| CCOC | Connecticut Condo Owners Coalition
| Others |
| CCOC | Core Curriculum Oversight Committee
| Others |
| CCOC | Cork College Of Commerce
| Others |
| CCOC | Corvette Club of Oklahoma City
| Others |
| CCOC | Crosley Car Owners Club
| Others |
| CCOC | Customer Care Operation Center
| Others |