| Gulf Organization for Industrial Consulting | Governmental Institutions |
| Gulf Pillars Trading Contracting | Construction |
| Gulf Pioneers Engineering Company W.L.L. | Construction |
| Gulf Publishing & Printing Company W.L.L. | Media |
| Gulf Star Contracting & Trading WLL | Construction |
| Gulf Star Freight Services WLL | Transport |
| Gulf Star Tours & Travels | Leisure and Tourism |
| Gulf Steel & Engineering W.L.L. | Industrial Manufacturing |
| Gulf Stone Trading and Contracting WLL | Construction |
| Gulf Tandeel Group | Real Estate |
| Gulf Technical and Trading Co. W.L.L | Health Care |
| Gulf Technical Engineering Company WLL Qatar | Industrial Manufacturing |
| Gulf Timber & Joinery Co. WLL | Industrial Manufacturing |
| Gulf Warehousing Company Q.S.C. | Transport |
| 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 |
