- Saudi Electricity Company. (Saceco)
- Al Jaber Trading & Contracting Co
- Al Rakan Trading &Contracting Co
- Arabian Fal Co.
- Abdul Hadi Abdulla Al Qahtani &Sons
- Zamil Air Conditioners
- Zamil Cool Care
- Zamil Steel Factory
- Dowell Schlumberger S.A. Ltd. Schlumberger
- Globe Marine Shipping Co
- Shipping Logistic Services Co
- Gulf Shipping Co
- Al Khodry Heavy Equipments Co
- Al Mawasat Hospital (Riyad)
- Faisal Steel Factory
- National Steel Factory
- Itfaq Steel Factory
- Saudi Electricity Company. (Saceco)
- Al Jaber Trading & Contracting Co
- Al Rakan Trading &Contracting Co
- Arabian Fal Co.
- Abdul Hadi Abdulla Al Qahtani &Sons
- Zamil Air Conditioners
- Zamil Cool Care
- Zamil Steel Factory
- Dowell Schlumberger S.A. Ltd. Schlumberger
- Globe Marine Shipping Co
- Shipping Logistic Services Co
- Gulf Shipping Co
- Al Khodry Heavy Equipments Co
- Al Mawasat Hospital (Riyad)
- Faisal Steel Factory
- National Steel Factory
- Itfaq Steel Factory
- Ministry of Health
- Riyadh Bank – Main Branch / RIYADH
- Arab Drilling Company – ADC
- Royal Commission for Jubail&Yanbu
- Royal Commission Hospital – Jubail
- Royal Commission Hospital – Yanbu
- Zamil Industrial Investment Group – Eastern Province
- Dhahran Health Center – ARAMCO
- Dhahran Main Pump Station – ARAMCO
- Saudi Railway Organization - Dammam
- Drilling & Petroleum Services Co. DPS
- Dowell Schlumberger S.A. Ltd.
- King Faisal University – AL-Hassa
- AL-Majdouie Group
- Jubail Central Hospital
- Rezayat Trading Company
- Tammimi Trading & Contracting Co
- Rakan Trading & Contracting Co. Ltd
- Nabha Rubber Factory – Second Dammam Industrial City
- AL-Suwaidi Trading & Development
- CARDIAC CENTER – Madinah.