| Hegy International W.L.L | Services |
| Helpline Services Printing Press | Media |
| HEPWORTH PME QATAR WLL | Conglomerates |
| High Solutions | Conglomerates |
| Honest Manpower | Services |
| Horizons Media and Information Services W.L.L | Information Technology |
| Hospitality Development Company W.L.L. | Leisure and Tourism |
| How United Services | Construction |
| HQA Consulting | Construction |
| Hydro Master Pools | Construction |
| H-DECO Qatar WLL | Consumer Goods |
| Hafele GmbH & Co KG | Construction |
| Halul Offshore Services Company W.L.L | Transport |
| Hamad Bin Khalid Contracting Company W.L.L. | Construction |
| Hamad Bin Khalid Holding Co. | Construction |
| Hamad Bin Khalid Oil and Gas Services W.L.L | Construction |
| Hamad Bin Khalifa University | Education |
| Hamad Bin Khalifa University Press | Media |
| Hamad General Hospital | Health Care |
| Hamad Medical Corporation | Health Care |
| Haman Bin Khalid Bin Haman Engineering & Contracting Company WLL | Construction |
| Hammer and Hand Trading & Contracting W.L.L | Construction |
| Hamton International | Construction |
| Hanson Doha Trading | Construction |
| Happy Journey Travels | Leisure and Tourism |
