Al-Darwish United Group C.R number is (16217). It has many companies in various fields, which all are distinguished national companies, it has carried out the best projects nationwide during its 72 years history and had extraordinary projects in the Arab Gulf countries such as United Arab of Emirates and kingdom of Saudi Arabia.
Companies are:
1-    Al Darwish Engineering Co. specializes in construction, infrastructure, road and carpentry projects.
2-    Gulf Contracting Co. G.C.C specializes in construction and infrastructure, it has below branches:
‌A.    Al Manjara Jonery (a subsidiary of (G.C.C), is a prominent carpentry manufacturing facility that combines traditional craftsmanship and expertise with the latest carpentry technology).
‌B.    Spacemaker (a subsidiary of (G.C.C), specializing in supply, manufacture and installation of prefabricated modular offices, buildings and accommodation) etc…
‌C.    Interspace (a subsidiary of (G.C.C), specializing in interior design, construction techniques, materials, decorations and furniture).

3-    Madina Group provides all services related to engineering, construction, maintenance, safety training, oil and gas support services, and its branches:
‌A.    Qatar International Safety Centre QISC (a subsidiary of Madina Group, providing certified classes for health and safety training).
‌B.    Severn Glocon Qatar SGQ is a subsidiary of Madina Group, leading engineering company that supports specialized valves and associated services reliability and high performance of customers infrastructure.
‌C.    Qatar Inspection Services QIS a subsidiary of Madina Group, provides the latest technology, advanced inspection equipment and factory inspection.

4-    How United Services Co. specialized in the field of electrical and mechanical contracting, sanitation, alarm systems, fire control and facility management.
5-    Darwish Interserve Co. specialized in maintenance and facilities management.
6-    Qatar Datamation Systems Co. specializes in the fields of information technology.
7-    Rayan Travel & Tours Co. specializes in travel, tourism, holidays, bringing manpower and renting cars of all kinds.
8-    Al Darwish United Real Estate & Investment Co. specializes in managing and renting the residential and commercial properties.