| Fireman Safety Services & Contracting Co W.L.L | Services |
| First Choice Trading & Contracting W.L.L | Construction |
| First Finance Company (Q.S.C.) | Financial Services |
| First Marble and Granite | Construction |
| First Travel & Tourism | Leisure and Tourism |
| Fitch: Qatar Limited | Services |
| FJ Trading & Engineering Co WLL Qatar | Industrial Manufacturing |
| FK Tools | Industrial Manufacturing |
| Flamex Trade | Construction |
| Flowpak - Air Conditioning | Industrial Manufacturing |
| Folda Qatar W.L.L | Industrial Manufacturing |
| Fontas Electronics & Security System | Conglomerates |
| Food Services Company | Food and Beverages |
| Foresight Communications Consultancy | Services |
| FOREVER QATAR TRADING W.L.L | Conglomerates |
| Formapipe International WLL | Oil and Gas |
| Fortune Flags | Conglomerates |
| FotoArabia | Media |
| Foundation M Al Jassim Contracting WLL | Construction |
| Four Color Printing Press | Media |
| Four Seasons Hotel Doha | Leisure and Tourism |
| Four Seasons Rent A Car | Transport |
| Fox Transport LLC | Transport |
| Frame Communications | Services |
| Freight Systems Company Limited (L.L.C.) - Qatar | Transport |
