• Al Jaber Engineering
  • Al Sadaf
  • Alcat
  • Alfred Talke Logistics
  • Al Huda
  • Al Ghaith Trading & Industrial Services
  • Bin Thani Electro Mechanical Cont.
  • Coral Hotel Doha
  • Danem Engineering Works
  • Eta Star International
  • Gulf Contracting Co.
  • Galfar Almisnad Engg. & Contracting W.L.L
  • Gulf Consolidated Contractors (GCC)
  • H.H. The Emir’s Private Affairs
  • Hyosung Ebara
  • Ibin Ajayan Trading Co.
  • Katara(Cultural Village Foundation)
  • Kemco Maintenance & Service
  • Linc Facilities Mena (Doha Land)
  • Landmark Commercial Center
  • Manco
  • Merweb Hotel Central Doha
  • Millennium Hotel Doha
  • Mawashi
  • Mesaieed Power Company (M-Power)
  • Maintenance Management Group (MMG)
  • National Cleaning Company.
  • Oxygen International
  • Petroserv Limited
  • Pemco Inspection Company
  • Qatar Caterers And Contractors
  • Qatar Queries And Building
  • Q- Reliance International
  • Qatar First Investment Bank
  • Qatar Navigation Q.S.C
  • Qatar Primary Materials Co.
  • Qatar Qaterers And Contractors
  • Qatar Real Estate (Alaqaria)
  • Qatar Trading And Contracting Group
  • Ritz Carlton Hotel
  • Rumaillah Facilities Management Co.
  • Sino Hydro Corporation, Qatar
  • Swiss Bell Hotel, Doha
  • Teknotes
  • Teyseer Services
  • Technip Chiyoda Joint Venture (Tcjv)
  • United Precast Factory
  • Zublin International
  • Veolia Water