Following Applicants have submitted the SoQ for Taif ISTP project:
- Acciona Agua
- Al Balagha Investments
- Al Yamama Company
- China Gezhouba Group Co., Ltd.
- China Tiesiju Civil Engineering Group, ASMA Advanced Solutions
- Cobra Instalaciones y Servicios, S.A., The International Water Distribution Company (TAWZEA)
- FCC Aqualia, Alkhorayef Group
- Marubeni Corporation
- Metito Utilities Limited, Power and Water Utility Company for Jubail and Yanbu (Marafiq), Mowah Co.
- Mitsui & Co., Ltd., Miahona Company
- Orascom Construction
- Samsung Engineering Company Limited
- Saudi Services for Electro Mechanic Works Company (SSEM)
- SUEZ Groupe
- Utico FZC, Toshiba Water Solutions, MAJIS Industrial Services
