37 companies expressed their interest in Ras Mohaisen – Baha – Makkah IWTP project, with 25 Saudi companies:
1- China Gezhouba Group Co., Ltd (CGGC)
2- China Harbour Engineering Co Ltd (CHEC)
3- China Railway Construction Corporation (International) Limited
4- POWERCHINA INTERNATIONAL GROUP LIMITED
5- Marubeni Corporation
6- Amiantit, KSA
7- Aisa Group
8- Al Bawani Co. Ltd.
9- Al Bawani Water & Power (AWP)
10- Al Jomaih Energy & Water Co.
11- Al Yamama Company For Trading And Contracting
12- Alawael Modern Contracting Company LLC
13- Alfanar Co.
14- Alkhorayef Power & Water Technologies
15- Bashir Ahmad Dost Muhammad Contracting Co.
16- Denys Arabia Company Ltd.
17- International Water Distribution Company (Tawzea)
18- JACC Ltd
19- Jusoor Energy Company Development (Qantara)
20- Kindasa Water Services Company (KWS)
21- Mowah Company CJSC
22- Nesma Company Limited
23- Safya For Water Company ; Citic Construction Co ; Sarh Attqnia Co.
24- Sigma Paints Saudi Arabia Ltd.
25- Tamasuk Holding Company
26- University Of Prince Mugrin
27- Vision Invest ; Al Muhaidib Group ; Abunayyan Holding
28- Ajlan & Bros Energy Company (Abilitii) ; China Railway Construction Corporation (International) Limited
29- Alsharif Group Holding’s ; SICIM SPA
30- Batco Saudi Company
31- A. Hak Pijpleidingen Saudi Company Limited
32- Cobra Industrial Services LLC (Cobra Group)
33- Elecnor
34- Taqa
35- Utico FZC
36- Harrison International
37- Mutlaq AL-Ghowairi Contracting Co.
38- Lamar Saudi United Holding.