قائمة بالشركات المهتمة في مشروع محطة المدينة المنورة لمعالجة الصرف الصحي (المرحلة الثالثة) حيث تضم القائمة ٦٢ شركة من ضمنها ٢٣ شركة سعودية وهي على النحو التالي:
- Abengoa SA, Spain
- Abu Dhabi National Energy Company PJSC (TAQA), UAE
- Acciona Agua S.A., Spain
- Advanced Water Technology, KSA
- Al Bawani Water & Power, KSA
- Al Mashariq Trading & Contracting, KSA
- Al Rajhi Holding Group, KSA
- Al Yamama Company, KSA
- Alawael Modern Contracting Company, KSA
- Al-enjaz Trading & Contracting Company, KSA
- Alfanar, KSA
- Alkawther Industries Co, KSA
- ALMAR Water Solutions B.V, Spain
- AquaTreat, UAE
- Arabian Partnership, KSA
- Arkoil Technologies, Netherlands
- China Communications Construction Co, China
- China Everbright Water, China
- China Geo-Engineering Corporation International, China
- China Gezhouba Group Co., China
- China Harbour Engineering Arabia Company & China Communications Construction Company, China
- China Nonferrous Metal Industry’s Engineering and Construction Co., China
- China State Construction Engineering Corporation, China
- Consolidated Contractors Co, KSA
- Doosan Heavy Industries & Construction, Korea
- Ecos Group, Russia
- Elsewedy Electric PSP, Egypt
- Engicon, KSA
- Environmental Engineering Est., KSA
- FCC Aqualia, Spain
- FISIA ITALIMPIANTI S.p.A., Italy
- Grupo Cobra, Spain
- GS Inima, Spain
- Hadeem Contracting, KSA
- Haji Abdullah Alireza & Co. Ltd. (HAACO), KSA
- Hassan Allam Holding, Egypt
- Hussein Refaei Est, Egypt
- Jinluo Water, China
- Majis Industrial Services, Oman
- Marafiq, KSA
- Marubeni Corporation, Japan
- METITO, UAE
- Miahona Company, KSA
- Mowah Company, KSA
- Nelson Environmental Inc, Canada
- Nesma Water & Energy, KSA
- Orascom Construction, Egypt
- POSCO, Korea
- SafBon Water Service, China
- SAUR, France
- Shibh Al Jazira Contracting Company, KSA
- SIIC Environment, China
- Sojitz Corporation, Japan
- Strukton International, Netherlands
- SUEZ Middle East Water Services LLC, France
- Tamasuk Holding Company, KSA
- Tawzea, KSA
- UTICO FZC, UAE
- VA Tech Wabag Ltd, India
- Veolia Middle East, France
- Yenigun Group, Turkey
- Zamil Operations & Maintenance Co., KSA
