​A

• Able Constructions L.L.C.

• Advanced Utility Construction and Contracting W.L.L.

• Advanced Vision Company

• Al Alia Trading & Contracting Co. W.L.L.

• Al Asri Engineering Consultant

• Al Bader Construction & Steel Works 

• Al Balagh Trading & Contracting Co. W.L.L.

• Al Bandary Engineering, Trading & Contracting W.L.L.

• Al Baud Technology Company W.L.L.

• Al Bawakir Unicon Co. 

• Al Darwish Engineering W.L.L.

• Al Fowriya Trading & Contracting W.L.L. 

• Al Hattab Trading, Contracting & Real Estate Co. W.L.L.

• Al Huda Engineering Works

• Al Jaber & Makhlouf W.L.L.

• Al Jaber Trading and Contracting

• Al Mana Malls

• Al Noor Engineering Group

• Al Rabban Holding

• Al Sarh Trading and Contracting Co. W.L.L.

• Al Zaini Trading & Real Estate Co. W.L.L.

• Ali Bin Ali Contracting

• Alghanim International Qatar

• Alseer Trading and Contracting Co. S.P.C.

• Amana-Walbridge (JV)

• Arab Engineering Bureau

• ASCO Consulting Engineers

• Aspire Zone

• Assets Real Estate Development W.L.L.

​

B

• Barwa Real Estate Group

• Best Tech Trading and Contracting

• Bluu Qatar

• Bojamhoor Trading and Contracting

• Builders Advanced Engineering & Construction

• Butech Qatar W.L.L.

​

C

• Challenger Trading and Contracting

• China Harbour Engineering Company Limited

• China Merchant Harbour Construction W.L.L.

• China Petroleum Engineering & Construction Corporation

• Clearspan Technology Middle East

• Commitment Construction WLL

• Concrete Stone Trading & Contracting Co.

• Consolidated Contractors Group-Teyseer Contracting Company (JV)

• Construction Excellence National Value Engineering

• Convert Engineering and Trading

​

D

• Daewoo E & C

• Dar Al-Handasah Consultants

• De Boer Qatar Contracting L.L.C.

• Diverse Consult

• Doha Marine Company

• Doha Design Centre

• Doha International Co.

• Domopan Qatar W.L.L.

• Dorex Engineering

​

E

• EGIS International

• Eurosteel Company

​

G

• Gap Insaat Yatirim ve Dis Ticaret AS

• General Engineering Technologies

• Gulf Earth Moving 

​

H

• Hamad Bin Khalid Contracting Co. 

• Hamton International 

• HLG Leighton Contracting

• HSP Enabling JV

• Hyundai E & C

​

I

• Imar Trading and Contracting

• Imperial Trading & Contracting Co. W.L.L.

• Intelligent Technology Systems Co.

• International Trading and Contracting

• International Works Development Group

​

K

• Katara Project

• KBAS Contracting, Trading and Industrial Co.

• Keppel Seghers Engineering Singapore Pte. Ltd.

• Kingspan Trading and Contracting

​

L

• Larsen and Toubro Ltd.

• Level Nine Constructions

• Living In Interiors

• Losail Circuit Sports Club

• Lusail Real Estate Development Company

​

M

• Manco International

• M.E.S. Indian School

• Metito Overseas Qatar W.L.L.

• Midmac Contracting Co. WLL

• Mirrikh Contracting W.L.L.

• Moon Beam Construction

• Mubarak Khalid Engineering

​

N

• National Group for Agriculture and Animal Product

• Networks Electrical & Mechanical Contracting Co.

​

O

• Opticsense Qatar W.L.L.

​

P

• Parsons International Limited

• Pergola Contracting & Greenhouses W.L.L.

• Porr Qatar Construction W.L.L.

• Porr-Saudi Bin Laden-HBK (JV)

• Private Engineering Office

​

Q

• QACC-Amana Qatar (JV)

• Qatar National Import and Export

• Qatar Railways Company

• Qatar Technical Aluminium

• Qatari Diar-Vinci Construction (QDVC)

• Qatari Diar-Saudi Binladin Group Construction (QD-SBG)

​

R

• Ramco Trading and Contracting Co. WLL

• Rankoussi Group of Companies

• Redco Construction- Almana

• Riviera Trading and Contracting

• Royal Haskoning Consulting Engineers

​

S

• SAK Holding Group

• Salfo and Associates SA

• Samsung C&T Engineering & Construction Group

• Sanborn Mapping Company, Inc.

• Sinohydro Group Limited

• Sinohydro-Domopan Joint Venture

• Six Construct Qatar Ltd. W.L.L.

• Solid General Construction

​

T

• Tashgeel & Besix For Construction JV 

• Trading and Agency Services Limited Co.

• Traffic Tech (Gulf) WLL

​

U

• United Consultants

• Universal Design Center

• Urbacon Trading & Contracting 

• UTEC Survey Asia-Middle East

​

V

• Vertex Trading and Contracting W.L.L.

• Voltage Engineering Ltd. Co.

​

W

• Wathira Al Bina Constructions W.L.L.

• WS Atkins and Partners Overseas

​

Z

• Zetas Qatar W.L.L.