Afrina Contr
Aktor
Al Ahli Hospital
Al Jaber & Partners
Al jaber Energy Servic
Al Koot Ins & Rains
Al Misnad Group
Al Seif Limited
ALCAT
Ali Bin Ali
Aljaber Engg
Aljaber Group
Archirodon Constr
Ashghal
Atkins
Atkins
Barwa
Bechtel
Bilfinger
Bin Omran Constr
Boom Construction
Buildit Constr
CAT International
CB&I
CCC
CCIC
CDC
Cegelec
Chiyoda
Commodre Contrg
Conoco Philips
Daewoo-Technimont
Dar Al-Handasah
Darwish Engg
Dodsal
Dolphin Energy
Dutch Foundation
Energy City
Exxon Mobil
FLOUR ME
Foster Wheeler
Gama Qatar
Gamuda Berhad
GEOSAN - Constrn Dynamics
GTL Gama
Gulf Contracting
Gulf Drilling
Gulf Helicopters
Gulf Housing
Halliburton
HBK Contr
Hemaya
Higgs & Hill
Hill International
HMC
Hughes Christianset
Hyojong Indl Co
Hyundai-
Iberdola Constr
Jaidah Group
Kahramaa
KEO
Kettaneh Contrcting
L&T
Leighton Contracting
Lodige System
Maersk Oil
Maersk Oil
MAN enterprises
Mannai
MEDCO Dredging
Medgulf
MEEZA - Vodafone
Midmac
Mowasalat
Muhibbah engineers
National Health Authority
NEMCCO
Nexans
NHA
Occi
Oryx GTL
Q Tel
QAFAC
QAFCO
QAPCO
QASCO
QATALUM
Qatar Aero College
Qatar Flour Mills
Qatar Foundation
Qatar Gas
Qatar Kentz
Qatar National Cement
Qatar Navigation
Qatar Posts
Qatar Power Co
Qatar University
Qatari Diar
QBC
QBEC
Qchem
QEWC
QGTC
QP
QVC
Ras Gas
RLC Power Co
Salaam Intl
Schlumberger
Shell Qatar
Sino Hydro
Sky Oryx JV
Snam Progetti
Strabag
Tadmur
Taleb Group
Teyseer Group
Total Fina Elf
Turner Construction Intl
UDC. Qatar
Voltage Constructin
Woqud
Yuksel Construction