| Chemtech Trading W.L.L | Industrial Manufacturing |
| Chemtech Trading W.L.L | Industrial Manufacturing |
| chill service trading and contracting qatar | Conglomerates |
| chill service trading and contracting qatar | Conglomerates |
| Chillservice Trading & Contracting | Industrial Manufacturing |
| Chillservice Trading & Contracting | Industrial Manufacturing |
| Chip Qatar Solution Trading & Contracting WLL | Information Technology |
| Chip Qatar Solution Trading & Contracting WLL | Information Technology |
| Chiyoda Almana Engineering LLC | Construction |
| Chiyoda Almana Engineering LLC | Construction |
| CICO Consulting Engineers | Construction |
| CICO Consulting Engineers | Construction |
| Circle Qatar Ltd | Services |
| Circle Qatar Ltd | Services |
| City Center Doha | Real Estate |
| City Center Doha | Real Estate |
| City Elevators & Escalators Co.W.L.L | Construction |
| City Elevators & Escalators Co.W.L.L | Construction |
| City Exchange Company WLL | Financial Services |
| City Exchange Company WLL | Financial Services |
| City Media | Media |
| City Media | Media |
| Civil Aviation Authority - Qatar | Governmental Institutions |
| Civil Aviation Authority - Qatar | Governmental Institutions |
| CLASSIC DOME | Construction |
