| 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 |
| G4S Qatar WLL | Industrial Manufacturing |
| Gallop Shipping Company | Transport |
| Garage Zain Scrap | Conglomerates |
| Gardenia Flowers | Retail |
| Gas Exporting Countries Forum | Governmental Institutions |
| Gasal Company (Q.S.C.) | Industrial Manufacturing |
| Gate to Wellness | Health Care |
| General Authority for Minors Affairs | Governmental Institutions |
| General Authority of Customs | Governmental Institutions |
| General Retirement and Social Insurance Authority - Qatar | Governmental Institutions |
| General Switchgear and Electrical Material Factory | Industrial Manufacturing |
| General Syndicate | Construction |
