SWPC is pleased to announce the prequalified bidders (Lead, Technical or Other Members) for Riyadh East and Khamis Mushait Independent Sewage Treatment Plants (ISTP) project as follow:
| S. No. | Name of Applicant and Members |
| 1 | Abdul Aziz Al Ajlan Sons Co. for Commercial & Real Investment – Ajlan & Bros |
| 2 | Acciona Agua S.A. |
| 3 | Al Bawani Water & Power (AWP) |
| 4 | Alfanar Company |
| 5 | China Gezhouba Group Overseas Investment Co. LTD (CGGOIC) |
| 6 | Civil Works Company Ltd. |
| 7 | Cobra Instalaciones y Servicios, S.A., |
| 8 | International Water Distribution Co. Ltd. (TAWZEA) |
| 9 | GS Inima Environment S.A. |
| 10 | Metito Utilities Limited |
| 11 | Miahona Company |
| 12 | Mowah Company (CJSC) |
| 13 | SAUR SAS |
| 14 | Rawafid Al hadara Holdings Company |
| 15 | S.A. de Obras y Servicios, COPASA Group |
| 16 | Suez International |
| 17 | Utico FZE |
| 18 | Alkhorayef Water and Power Technologies Company |
| 19 | China Everbright Water Investment Limited |
| 20 | Jinluo Water Co. Ltd – Dubai Branch |
| 21 | Lamar Saudi United Holding |
| 22 | Vishvaraj Environment Private Limited |
