| 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 |
| Ras Girtas Power Company Q.S.C. | Power and Utilities |
| Rashid Group Trading & Contracting | Consumer Goods |
| Ray Projects Engineers & Contractors W.L.L | Construction |
| Rayyan Mineral Water Company W.L.L. | Food and Beverages |
| Reach Out To Asia | Services |
| Readymix Qatar L.L.C | Industrial Manufacturing |
| Real Estate Services Group | Real Estate |
| Red Wings Trading Construction & Services Co LLC | Construction |
| Redco Construction - Almana | Construction |
| Redco Group W.L.L. | Industrial Manufacturing |
| Redx Qatar Trading Contracting & Transport | Conglomerates |
| Refrigeration World WLL | Industrial Manufacturing |
| Regal Industrial Suppliers Company W.L.L | Industrial Manufacturing |
| Regency Group Holding | Real Estate |
| Regency Holidays WLL | Leisure and Tourism |
| Regency Pools and Landscaping | Services |