| 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 |
| K.B.F Trading & Contracting Company WLL | Construction |
| Kaar Technologies | Information Technology |
| Kamalco Calibration Solutions & Technical Services | Services |
| Kasimy Trading & Building Materials WLL Qatar | Conglomerates |
| Katara Hospitality | Leisure and Tourism |
| Kawaida Collaborative LLC - Qatar | Agriculture |
| KBAS Trading | Industrial Manufacturing |
| kebab king Restaurant | Food and Beverages |
| Keller Qatar WLL | Construction |
| KEMCO Electrical & Mechanical Co | Construction |
| Kettaneh Construction Qatar W.L.L. | Construction |
| Key Technical Services W.L.L | Transport |
| Khalid & Hamad Ready Mix Concrete Co. WLL | Industrial Manufacturing |
| Khalid Al Attiya Legal Consultant & Attorney | Services |
| Khalid Bin Ahmed Al-Suwadi Trading & Contracting and Industrial | Construction |
| Khalid Cement Industries Complex | Industrial Manufacturing |
| Khalid Manufacturing Company | Industrial Manufacturing |
