International Companies
ABB
Akinisi & Ekin Joint Venture
Ansaldo SPA
Ballast Nedam
Bechtel Group
Belleli SPA
C.C.I.C.
CAT International
CB&I
Cegelec
Chiyoda Corporation
Cleveland Bridge
Daewoo E&C
Descon Engineering
Dodsal
Doosan Heavy Industries
Drake & Skull
FCB
Gama
GE Nuovo Pignone
Grande Lavori Fincosit
Great Lakes Dredging
GS E&C
Hyundai Engineering & Construction
Hyundai Heavy Industries
IHI
Interbeton
JGC
KBR
Lahoud Engineering
Larson & Toubro
Lurgi
Mabani
Marubeni Corporation
McDermott Internatinal
Mitsubishi Heavy Industries
Nassir Alhajri
Nurol
Petrofac
Punj Lloyd
Saipem SPA
Samsung
Schlemberger
Six Construct
Snamprogetti
STFA
Taiesi Corporation
Technimont
Technip
Tekfen
Toyo Engineering Corporation
Uhde
Local Corporations
Hamad Medical Corporation
Kahrama
Maersk Oil Qatar
National Cement Company
Occidental Petroleum Qatar
Oryx GTL
Pearl GTL
Q-Chem
Q Tel
Qafac
Qafco
Qapco
Qasco
Qatar Gas
Qatar Gas
Qatar Navigation
Qatar Navigation
Qatar Petroleum
QEWC
QVC
Ras Gas
Total Qatar
Major Local Clients
AA Engineering
AI Darwish Engineering
Al Habrour
Al Jaber Engineering
Al Waha
Black Cat
CDC
Contraco
Dopet
ERE
Galfar Almisnad
Gulf Housing
HBK
MAN Enterprises
MANCO
Manweir
Medgulf
Midmac
Panorama Contracting
Q Con
Qatar Dredging Company
Qatar Kintz
QBC
QBEC
SEG
Teyseer Contracting
Trags
Zublin Qatar