* Coffee
* Dates
* Grapes
* Mangoes
* Oranges
* Pomegranates
* Qat (a mild stimulant)
Minerals and natural resources:
* Oil
* Natural gas
* Coal
* Copper
* Gold
* Zinc
* Lead
* Iron ore
Industrial products:
* Cement
* Steel
* Textiles
* Food processing
* Pharmaceuticals
* Plastics
* Leather goods