· Abu Dhabi Marine Operating Co.
· Abu Dhabi National Oil Company
· AL-KHAFJI JOINT OPERATIONS (AGOC-KGOC), Saudi Arabia
· Arab Electricity Center, Qatar
· Arabian Cement Co., Saudi Arabia
· Arabian Light Metals Co. Kuwait
· Bahrain National Gas Company
· Chamber of Commerce & Industry Eastern Province, SA
· CRISTAL; The National Titanium Dioxide Company Ltd., Saudi Arabia
· Eastern Petrochemical Company, SA
· Ibn El-Bitar Fertilizer Co., SA
· Institute for Cont. Education Transfer, Gemany.
· InWent, Germany
· Jeddah Refinery, Saudi Arabia
· Jordan Cement Company
· Kuwait National Petroleum Company
· Kuwait Oil Company (KOC), Kuwait
· Kuwait Oil Tanker Company (S.A.K)
· Kuwait Petroleum Corporation (KPC)
· Kuwait Shipbuilding and Repair yard
· Ministry of Elec. & Water, Kuwait
· Ministry of Electricity & Water, Kuwait
· Ministry of Municipal Affairs & Agriculture, Qatar
· National Industrial Gases Company, Saudi Arabia
· Oman Cement Company
· Oman Chamber of Com. & Industry
· Oman
Mobile Company