2 Kwana Group UK
Skanska, Switzerland
4 Bouygues, France
5 Kruger Brown Root Company, USA
6 American Fulu Company
7 Hoktif, Germany
Linde Leasing Company, Bao Si, UK
9 French Weixi Company
10 Dutch HBG group
1 1 GTM Group of France
12 Bilfinger Berg Construction Company
13 French technical group
14 American Foster Wheeler Company
Philip Holzman
16 British Amoke company
17 NCC Sweden
18 Japan JGC company
19 Korea Hyundai engineering construction company
20 China State Construction Engineering Corporation China
2 1 Joint Contractor International Company Greece
22 Strabag Germany
23 Raytheon Engineering Construction Company, USA
24 Sinan Progetti, Italy
25 Derlager Dos Group
26 Brazilian Ode blackett
27. Japan Kashima Construction Co., Ltd.
Japan Toyo Engineering Co., Ltd.
Parsons Corp.
30 PCL Construction Company, USA
3 1 IMPREGILO, Italy
32 Bella Steinem International, Netherlands
Mcdermott International Company, USA.
34 British beaufort Betty Company
35 Japan Dalin Group Co., Ltd.
36 German Walter Company
Chiyoda Corp.
38 China Petroleum Engineering Construction Company China
Japan Kumagaya Group Co., Ltd.
40 Korea SK Engineering Construction Company
4 1 Shimizu Construction Co., Ltd.
42 Victoria Song Construction Co., Ltd.
43 Wuyang Construction Co., Ltd. Japan
44 France Aifage
Joanno Pallaske Wilders Overseas Company, Saudi Arabia.
Murray Robert Contracting Company South Africa
47 Japan Zhuzhong Public Works Store
48. Japan Dacheng Construction Co., Ltd.
ABB Rumas Global Company, USA
50 American Blackwedge Company
5 1 Maeda Corporation of Japan
52 South Korea Samsung Engineering Company
Tecnemont of Italy
54 Hong Kong Paul Construction Holdings Limited
55 Chicago Bridge Steel Company, USA
56 Germany Xupulin Company
57 American Jacob Engineering Group Company
58 Soledad Hibaki, France
59 South Africa LTA Limited
Leiden Holdings Limited, Australia
6 1 Belgium
Fcc Spain
Elliston Construction Company, USA
Kohler Group, UK
No.65, Widman, Tikhov, Germany
66 Fario Group of Spain
67 Spain NECSO
68 China Machinery and Equipment Import and Export Corporation China
69 China Civil Engineering Group Company China
70 Black Park Rongsuwona Construction Company Germany
7 1 Japan Atmospheric Society Corporation
72. Enka Construction Industry Company of Turkey
73 China Harbor Construction (Group) Corporation China
74 Jian Group Co., Ltd. Japan
75 Fordham Engineering Company of Finland
76 Korea Shuanglong Engineering Construction Company
Webster Company, Si Tong, USA
78 American Morrison Naderson Company
79 China Luqiao (Group) Corporation China
80 McConnell Dowell Company, Australia
8 1 American earth science and technology company
82 China Chemical Engineering Corporation China
83 andrade Gutierrez Construction Company Brazil
84 China Railway Engineering Corporation China
85 Lima Assembly Group, Netherlands
Tony construction company of America
Sacyr Spain
88 China Shanghai Construction Engineering (Group) Company
Tektronix Nitas Reonidas, Spain
90 China Sichuan Dongfang Electric Power Equipment Joint Company
9 1 Japan golden shield co., ltd
Bell Engineering Company, Traquete, Belgium
93 Soleborn International Company
94 Japan East Asia Construction Company
95 China Water Conservancy and Electric Power Foreign Company China
96 China Overseas Engineering Corporation China
97 Peter Kevitt & Sons Company, USA
98 North Yingde Construction Company Turkey
99 Arab assmann contractor Egyptian
China Jiangsu International Economic and Technical Cooperation Company