The Saudi Water Partnership Company (SWPC) has shortlisted five consortia for the independent sewage treatment plants located in Buraidah station (second phase) and Tabuk station (second phase). The shortlisted consortia are as follows:

1. Acciona Agua and International Water Distribution Company (Tawzea)
2. FCC Aqualia, Alkhorayef Water & Power Technologies and Alfanar Company
3. GS Inima Environment and Al Jomaih Energy and Water Company
4. Marubeni Corporation
5. Metito Utilities Limited

The Tabuk project includes the financing, engineering, procurement, construction, implementation, ownership, operation, maintenance and transfer of Tabuk 2  Independent Sewage Treatment Plants (ISTP) in the city of Tabuk in north-western Saudi Arabia. The ultimate capacity of this ISTP will be 90,000 m3/day.

The Buraydah project includes the financing, engineering, procurement, construction, implementation, ownership, operation, maintenance and transfer of Buraydah 2 Independent Sewage Treatment Plants (ISTP) in the city of Buraydah in north-central Saudi Arabia, approximately 400 km from Riyad. The ultimate capacity of this ISTP will be 150,000 m3/day.