| Central Student Government | Academic & Science |
| Computer Support Group | Academic & Science |
| Crystal Space Group | Academic & Science |
| Collaborative Study Group | Academic & Science |
| Cyril Sweett Group, P.L.C. | Business |
| Cadbury Schweppes, P. L. C. | Business |
| Customer Service Guaranteed | Business |
| Chris Sawyer Graphics | Business |
| Control Systems Group | Business |
| Consulting Services Group | Business |
| Cavalry Security Group | Business |
| Commercial Services Group | Business |
| Conservation Services Group | Business |
| Customer Sector Group | Business |
| Community Services Group | Community |
| Culture Service Growth | Community |
| Community Service Guide | Community |
| Columbus School for Girls | Community |
| Community Service Grant | Community |
| Compatable Stereo Generator | Computer Hardware |
| Create Several Guesses | Computing |
| Computer Systems Group | Computing |
| Customer Support Group | Computing |
| Cryptologic Services Group | Computing |
| Customer Service Group | Computing |
| Collax Security Gateway | Computing |
| Content Services Gateway | Computing |
| Citrix Secure Gateway | Computing |
| Connectivity Solutions Group | Computing |
| Client Solutions Group | Computing |
| Compatible Stereo Groove | Electronics |
| Statistica/w Graph File | File Type |
| Communications Strategy Group | General |
| Coal Seam Gas | General |
| Centre Spatial Guyanais | General |
| Customer Solutions Group | General |
| Customer Service Guarantee | General |
| Contingent Staff G | General |
| Chuckle Snicker Grin | General |
| Consolidated Services Group | General |
| Common Solutions Group | General |
| Constructive Solid Geomtry | General |
| Centre Slit Gusseted | General |
| Counter Strike Global | General |
| Constitutive Slow Grower | General |
| Constructed Solid Geometry | General |
| Client Services Guide | General |
| Construction Services Group | General |
| Cleaning Services Group | General |
| Cards Stakeholders Group | General |
| Civil Security Group | General |
| Cool Style Gang | General |
| Client Service Group | General |
| Construtive Solid Geometry | General |
| Charles Simone and Greg | General |
| Crankshaft Starter Generator | General |
| Celica Club Singapore | General |
| Chairman's Staff Group | Governmental |
| Catchment Stakeholder Group | Governmental |
| Chief Secretary to the Government | Governmental |
| Counterterrorism Security Group | Governmental |
| Carlos Salinas de Gortari | International |
| Consejo Sindical de Guatemala | International |
| Constructive Solid Geometry | Maths |
| Clinical Solutions Group | Medical |
| Crocodile Specialist Group | Medical |
| Carrier Strike Group | Military and Defence |
| Coordinating Subgroup | Military and Defence |
| Cryptologic Services Group (dod) | Military and Defence |
| Cryptologic Support Group (air Force) | Military and Defence |
| Corps Support Group | Military and Defence |
| Crankshaft Start Generator | Military and Defence |
| Client Server Guide | Networking |
| Columbus Metropolitan Airport, Columbus, Georgia USA | Regional |
| Cycling Sports Group | Sports |
