| Campus Communications Group | Academic & Science |
| Complete College Georgia | Academic & Science |
| Climate Control Group | Academic & Science |
| Cascadic Conjugate Gradient | Academic & Science |
| Current Course Grade | Academic & Science |
| Cross-Connecting Gear | Academic & Science |
| Chemical Computing Group | Academic & Science |
| Crane (tx) | Airport Code |
| Convergence Consulting Group | Business |
| Certified Collision Group | Business |
| Composites Consulting Group | Business |
| Certified Collectibles Group | Business |
| Chelsea GCA Realty, Inc. | Business |
| Career Communications Group | Business |
| Cosmos Consulting Group | Business |
| Corporate Consulting Group | Business |
| Creative Composites Group | Business |
| Conference Center Garage | Community |
| Catalyzing Community Giving | Community |
| Credentials Community Group | Community |
| Cross Community Games | Community |
| Christian Capital Group | Community |
| Christian Churches of God | Community |
| Center for Conservation Genomics | Community |
| Credit Card Guarantee | Community |
| Centre for Computational Geostatistics | Computing |
| Computer Control Group | Computing |
| Central Clock Generator | Computing |
| Cheats Codes and Guides | Computing |
| Cloud Communications Group | Computing |
| Computer Communications Group | Computing |
| Cloud Computing Group | Computing |
| Centro de Computacao Grafica | Computing |
| Common Code Generator | Computing |
| Community Coordination Group | Computing |
| Collectable Card Game | General |
| Cost Center Group | General |
| Conventional Control Gear | General |
| California Credits Group | General |
| Combinatory Categorial Grammar | General |
| Card Collection Game | General |
| Card Collecting Game | General |
| Center for China and Globalization | General |
| Consolidated Claims Group | General |
| Collectible Card Game | General |
| Collectible Card Games | General |
| Combustion Coupled Gasification | General |
| Country Commercial Guides | General |
| Conforms To Copyright Guidelines | General |
| The Colander Copeland Gamber | General |
| Current Controlled Gate | General |
| Chum Chung Gei | General |
| Custom Center Of Gravity | General |
| Corporate Consultative Group | General |
| Commission of Counter Ghoul | General |
| Chemically Converted Graphene | General |
| Champagne Cocaine Gasoline | General |
| Copper Control Gear | General |
| Commercial Credit Group | General |
| Card Collectible Game | General |
| Coffee Crepes and Gelato | General |
| Classic Car Gallery | General |
| Classic Car Garage | General |
| Car Club Gauteng | General |
| Canberra Celica Group | General |
| Classic Car Group | General |
| Car Charging Group | General |
| China Cracking Group | Governmental |
| Council on Competitive Government | Governmental |
| Columbus Consolidated Government | Governmental |
| BMBY CHURCH GTE | Indian Railway Station |
| Consejo de Cooperación del Golfo | International |
| Cámera de Comercio de Guatemala | International |
| Carver Center for Genomics | Medical |
| Children's Cancer Group | Medical |
| Clock Controlled Gene | Medical |
| Cationic Colloidal Gold | Medical |
| Clinically Coherent Group | Medical |
| Community Care Grant | Medical |
| costochondral graft | Medical |
| Center for Cancer Genomics | Medical |
| Clinical Commissioning Group | Medical |
| Care Commissioning Group | Medical |
| Clinical Commissioning Groups | Medical |
| Crisis Coordination Group | Military and Defence |
| Commanders Carrier Group | Military and Defence |
| Combat Communications Group | Military and Defence |
| Christian Council of Ghana | Regional |
| Central Coast Gymnastics | Sports |
| Customizable Card Game | Sports |
