From Bahrain:

• Ministry of Information
• Ministry of Industry and Commerce.
• Ministry of Works and Agriculture.
• Ministry of Oil.
• Ministry of Interior.
• Ministry of Labour.
• Ministry of Electricity.
• Chamber of Commerce and Industry.
• Bahrain Training Institute.
• Bahrain Telecommunications Company(Batelco)
• MTC Vodaphone
• Seef properties
• Al Matrood Establishment
• Unido
• Bahrain Society Of Engineers
• Gulf Petrochimical company GPIC
• Gulf Finance House
• Awal Gulf
• BIBF
• Kuwait Finance House
• National Bank of Bahrain
• Awal Plastic
• Arab Finance House
• Bahrain International circuit
• Events W.L.L
  
  From Saudi:
   
• King Fahad Causeway Authority
• Saudi Aramco.
• Saudi Basic Industries SABIC
• Saudi Iron and Steel Company (Hadeed)
• Sipchem
• Schlumberger
• Saudi Petrochemical Company (Sadaf)
• Jal International
• A.A. Turki Corporation.
• Zamil Glass Factory.
• Sign Technology

          From Oman:

• Omantel
• National Bank of Oman
• Bank Muscat
• Bank Dhofar
• HSBC
• Oman Housing Bank
• Shell
• Dhofar University
• Mazoon College
• Sohar University
• Ministry of Man Power-Muscat
• Muscat Municipality
• Oman Gas Company
• Morison Muscat
• Opal Company
• International College
• Oman Exhibition Center-Muscat
• Muscat City Center