Eng. Hassan H. Taleb managed various construction and engineering projects between 1990-2006, including:
- Construction of guards' towers, barns, streets, and buildings in Sana'a, Aden, Taiz, and other Yemeni cities.
- Field surveys and studies in Aden for traffic and maps as part of master planning projects.
- Design and construction of various clinics, offices, shops, and other structures.
- Industrial consulting for businesses.
- Infrastructure projects like roads, ports, and water systems.