| Ministry of Economy and Commerce - Qatar | Governmental Institutions |
| Ministry Of Environment | Governmental Institutions |
| Ministry of Interior - Qatar | Governmental Institutions |
| Ministry of Municipality and Environment | Governmental Institutions |
| Ministry of Transport and Communications - Qatar | Governmental Institutions |
| Mirage International Property Consultants | Real Estate |
| Mirrikh Contracting WLL | Construction |
| Misnas Saad Almisnas Trad. & Transport | Services |
| Modern Trends Training & Consultancy | Education |
| Mohamed Yousuf Kafood & Sons Trading & Contracting Company | Industrial Manufacturing |
| Moka & Company | Food and Beverages |
| Mona Trading & Machinery | Industrial Manufacturing |
| Monsoon Trading and Contracting WLL | Conglomerates |
| Morgen Middle East Trading & Contracting | Conglomerates |
| Morison Menon Chartered Accountants and Partners LLC | Financial Services |
| Mosaic Contracting Company | Construction |
| Mowasalat Co. | Transport |
| Msheireb Properties | Real Estate |
| Multicon Trading | Conglomerates |
| Musandum International General Trading and Contracting (L.L.C) | Construction |
| Mutli Services Company Qatar | Information Technology |
| MZ & Partners | Construction |
| Nabina Trading Establishment | Industrial Manufacturing |
| Nakilat Agency Company Limited (Q.S.C.) | Transport |
| Nakilat Damen Shipyards Qatar Limited | Transport |
