1–  Saudi Aramco (Trading ID) Saudi Aramco (Contracting ID) Vendor ID: 10012168, Vendor ID: 10006490
2–  Saudi Electricity Co. (SCECO) Vendor ID: A0568
3–  Royal Commission for Jubail & Yanbu Vendor ID: 765
4 – Saudi Basic Industries Co. (SABIC) Vendor ID: 500225
5 – MARAFIQ Vendor ID: 765
6 – Ministry of Water Vendor ID: 103206
7 – Salina Water Conversion Co. (SWCC) Vendor ID: 04358
8 – Saudi Aramco Mobil Refinery Co. Ltd (SAMREF) Vendor ID: 10036
9 – Saudi Int’l Petrochemical CO. (SIPCHEM) Vendor ID: 100385
10 – Tasnee Petrochemical Complex Vendor ID: 101966
11 – Sinopec Vendor ID: 1008010013
12 – M.S. Al-Suwaidi Trading & Dev. Co. Ltd. Vendor ID: 34839
13 – Jubail Chemical Industries Co. (JANA) Vendor ID: 101215
14 – Rabigh Refining & Petrochemical (Petrorabigh) Vendor ID: 100843
15 – Saudi Oger Ltd. Vendor ID: A458
16 – Marafiq Power & Water Utility Co for Jubail & Yanbu Vendor ID: 765
17 – Al-Tuwairqi Vendor ID: 2002205
18 – Saudi Chevron Phillips Co. (S-Chem) Vendor ID: 118492