قائمة بالشركات المهتمة بمشروع خط الفائض لمحطة غرب الدمام للصرف الصحي حيث تضم 26 شركة ومنها 16 شركة سعودية وهي على النحو التالي:
- Lamar Holding W.L.L.
- China Railway Construction (International) Co. LTD
- VINCI Construction Grands Projects
- Passawant Energy and Power GMBH
- ARKOIL Technologies Nederland B.V.
- Ajlan and Bros Energy Company (Abilitii)
- Al Bawani Water and Power (AWP)
- Al-Jazea Contracting and Trading Co.
- Alkhorayef Water and Power Technologies Company
- Alkobraish Investment and Construction
- ASK Environmental
- BATCO Saudi Construction Co.
- Civil Works Company Ltd.
- Environment System’s Company
- International Water Distribution Company “TAWZEA”
- Mowah Company (CJSC)
- Mutlaq Al-Ghowairi Company (MGC)
- Saudi Arabian Amiantit Co.
- Thabat Construction Company Ltd.
- AlSharif Group Holding in consortium with SICIM SPA
- Elecnor S.A.
- A. de Obras y Servicios, COPASA
- Metito Utilities Limited (“MUL”)
- BESIX – Six Construct
- Al Yamama Company
- Infralinx Capital Partners LLC