- Water and Wastewater Installations (Base 1)
- Irrigation and drainage networks (Base 3)
- Project management services in the specialty of water and sewage facilities (base 1)
- Water field contracting qualification (Base 3)
- Oil and gas contracting qualification (Base 5)
- Contracting qualification in the field of facilities and equipment (Base 5)
- Operation and maintenance of supply, transmission and distribution (Base 1)
- operation and maintenance of water treatment plant (Base 1)
- operation and maintenance of desalination (Base 4)
- operation and maintenance of sewage treatment plant (Base 3)
