| KKK & Z International | Services |
| KKT Orthopedic Spine Center | Health Care |
| Kompass Int'l Trading Co WLL Qatar | Conglomerates |
| Kompass International Trading Co WLL | Conglomerates |
| Koru Trading & Contracting | Industrial Manufacturing |
| KPMG Qatar | Financial Services |
| Krom Media | Information Technology |
| KTC International Company | Industrial Manufacturing |
| La Cigale Hotel | Leisure and Tourism |
| La Varenne | Food and Beverages |
| Laconstructa Group for Contracting | Construction |
| Lalive in Qatar LLC | Services |
| Landmark Mall | Real Estate |
| Lans Global Logistics | Transport |
| Lavenir Consultants | Construction |
| LC Lusail Consultants | Construction |
| Leaders Advertising and Marketing WLL | Services |
| Leasecon Trading & Contracting | Conglomerates |
| Lexus Engineering & Contracting Company | Construction |
| Libra Trdg. Co | Conglomerates |
| Life style cleaning and maintenance | Services |
| Lighting Solutions | Services |
| Lightning for Electrical & Mechanical Works W.L.L. | Construction |
| Links Shipping Company W.L.L. | Transport |
| LION INTERNATIONAL MIDDLE EAST WLL | Industrial Manufacturing |
