Saudi Water Partnership Company (SWPC) has pre-qualified 24 companies for the Al Haer Independent Sewage Treatment Plant concession in the city of Riyadh, Riyadh Province, Saudi Arabia. The treatment plant will have a total treatment capacity of 200,000 m³/day. 

The 24 pre-qualifies bidders are:

1. Abdul Aziz Al Ajlan Sons Co. for Commercial & Real Estate Investment – Ajlan & Bros
2. Acciona Agua S.A.
3. Alfanar Company
4. Alkhorayef Water and Power Technologies Company
5. China Gezhouba Group Co. Ltd (CGGC) – Saudi Arabia Branch
6. Civil Works Company Ltd.
7. Cobra Instalaciones y Servicios, S.A.,
8. GS Inima Environment S.A.
9. International Water Distribution Co. Ltd. (TAWZEA)
10. Jinluo Water Co. Ltd – Dubai Branch
11. Lamar Saudi United Holding
12. Metito Utilities Limited
13. Miahona Company
14. Mowah Company (CJSC)
15. Power and Water Utility Company for Yanbu and Jubail (Marafiq)
16. S.A. de Obras y Servicios, COPASA Group
17. SAUR SAS
18. Suez International
19. Tamasuk Holding Company – Al Blagha Group Company
20. Utico FZC
21. China Everbright Water Investment Limited
22. Vishvaraj Environment Private Limited
23. SETE Energy Saudia for Industrial Projects Ltd
24. BESIX Sharjah Branch