| Regency Travel & Tours WLL | Leisure and Tourism |
| Reliance Hydraulics & Oil Field Supplies WLL | Industrial Manufacturing |
| RICH TRADING QATAR WLL | Oil and Gas |
| Rider Glass Company | Industrial Manufacturing |
| Rightway Freight Services Co WLL | Transport |
| Rise Enterprise | Financial Services |
| Robust Trading & Contracting Company WLL | Services |
| Rocket Construction WLL Qatar | Construction |
| Roots Qatar W.L.L. | Conglomerates |
| Routedge WLL | Information Technology |
| Royal Plaza Doha | Conglomerates |
| Rumaillah Construction LLC | Conglomerates |
| Rumaillah Construction WLL | Construction |
| Rumaillah Group Holding W.L.L | Services |
| Runway International Ltd | Transport |
| RVK FURNITURE DECORATION | Services |
| Rabban Ready Mix Company WLL | Industrial Manufacturing |
| Rabban Stefanutti Stocks LLC | Construction |
| Radiant Technical Trading WLL | Oil and Gas |
| Radisson Blu Hotel Doha | Leisure and Tourism |
| Rafale Trading WLL | Consumer Goods |
| Raghadan Paints Company Limited - Qatar | Industrial Manufacturing |
| Raha for Trading & Contracting Establishment | Construction |
| Ramaco Trading & Contracting Co. WLL | Construction |
| Ramco Trading & Contracting | Construction |
