• Ministry of Municipalities Affairs & Urban Planning.
  
• Ministry of Housing.
  
• Ministry of Works.
  
• Gulf house Engineering
  
• EMAAR Engineering W.L.L.
  
• Arab Architects.
  
• Bahrain Engineering Bureau.
  
• HAJ Hisham Abdulrahman Jaffar
  
• Manara Development.
  
• Farry Kazerooni Consultant Architects & Engineers.
  
• Modern Architect.
  
• United Engineering.
  
• Tameer Engineering.
  
• Riyadh Al Arrayed Engineering.
  
• Horizon Interiors.
  
• Fouad Al Mutawa.
  
• EPCO.
  
• Salah Alkooheji Consultancy
  
• Ismail Khonji Associates.
  
• GEMAC.
  
• SJM Electromechanical Engineering.
  
• Akbari Architects & Associates.
  
• Kooheji Engineering Consultancy
  
• Al Mohandis Engineering.
  
• Mashtan Engineering.
  
• MAP Mutawa Architectural.
  
• Design Studio Architects.
  
• Middle East Architects.
  
• Al A'Ali Engineering Consultants.
  
• Arsinals Engineering Design.