| 1 | China Railway Group LIMITED | China | Beijing | Building 9, No. 69, Fuxing Road, Haidian District | Beijing | 100000 | N/A | 2007 | $160,142,702,634 | 297,359 | N/A | N/A | 100000000041175 |
| 2 | China Railway Group LIMITED | Hongkong | Kwun Tong District | Rm 1201-03 12/f Apec Plz | Kwun Tong District | N/A | N/A | 2007 | $160,142,643,287 | 16 | N/A | N/A | 38648062 |
| 3 | China Railway Construction CORPORATION LIMITED | Hongkong | Tsim Sha Tsui | 23/f Railway Plz | Yau Tsim Mong District | N/A | N/A | 2008 | $147,287,786,419 | 120 | N/A | N/A | 38914934 |
| 4 | China Communications Construction Group LTD. | China | Beijing | No.85, Deshengmen Outer Street, Xicheng District, Shixia Distric | Beijing | 100088 | N/A | 2005 | $138,261,936,148 | 125 | N/A | N/A | 100000000039954 |
| 5 | Power Construction CORPORATION Of China | China | Beijing | 9th Floor, Building 1, No. 1 Linglongxiang Road, Haidian Distric | Beijing | 100037 | N/A | 2011 | $99,136,069,450 | 1 | N/A | N/A | 100000000043994 |
| 6 | Power Construction CORPORATION Of China,ltd(powerchina LTD) | China | Beijing | Building 1, Courtyard 1, Linglong Lane Road, Haidian District (b | Beijing | 100037 | N/A | 2009 | $87,578,979,808 | 163,912 | N/A | N/A | 100000000042397 |
| 7 | China Railway Construction CORPORATION LIMITED | China | Beijing | Dong Courtyard, No.40, Fuxing Road, Haidian District | Beijing | 100855 | N/A | 2007 | $50,185,802,205 | 269,577 | N/A | N/A | 100000000041302 |
| 8 | China Construction Third Engineering Group CO., LTD | China | Wuhan | No.552, Guanshan Road | Hubei | 430064 | N/A | 2003 | $48,640,074,527 | 14,235 | N/A | N/A | 420000400000435 |
| 9 | Hubei Dayu Construction CO., LTD. Huangpi Branch | China | Wuhan | No. 56 Zhangjia Dawan, Daozichong Village, Caidian Street, Huang | Hubei | 430000 | N/A | 2021 | $36,585,443,554 | 0 | N/A | N/A | 420116000375117 |
| 10 | Hochtief AG | Germany | Essen | Alfredstr. 236 | Essen, Stadt | 45133 | hochtief.***** | 2023 | $35,216,359,435 | 52,906 | N/A | N/A | 45130B279 |
| 11 | Samsung C&T CORPORATION | Australia | Sydney | Se 203 L 2 44 Market St | New South Wales | 2000 | samsungcnt.***** | 2012 | $32,092,091,646 | 5 | N/A | N/A | 160079470 |
| 12 | Samsung C&T CORPORATION | Southkorea | Seoul | 26 Sangil-ro 6-gil, Gangdong-gu | Seoul | 05288 | N/A | 1963 | $30,230,124,884 | 9,335 | N/A | N/A | 2028145975 |
| 13 | Heilongjiang Beidahuang Land Reclamation Group CORPORATION | China | Harbin | No.175, Hongqi Avenue, Xiangfang District | Heilongjiang | 150036 | N/A | 1994 | $26,534,081,548 | 433 | N/A | N/A | 233000100002288 |
| 14 | China Construction Fifth Engineering Division Corp.,ltd. | China | Changsha | 158 Zhongyi 1st Road | Hunan | 410004 | N/A | 1981 | $25,324,441,351 | 6,460 | N/A | N/A | 430000000017008 |
| 15 | Yunnan Construction And Investment Holding Group Co.,ltd. | China | Kunming | No. 188, Linxi Rd., Information Industry Base, Economic and Tech | Yunnan | 650051 | N/A | 2016 | $22,105,940,394 | 2,273 | N/A | N/A | 530000011012827 |
| 16 | Senbo Engineering LIMITED | India | Kolkata | 87, 87, Lenin Sarani 2nd Floor | West Bengal | 700013 | N/A | 1990 | $21,048,932,610 | 38 | N/A | N/A | 19AADCS6138B1ZH |
| 17 | Beijing Urban Construction Group CO., LTD. | China | Beijing | No.18, Beitaipingzhuang Road, Haidian District | Beijing | 100088 | N/A | 1993 | $21,004,520,431 | 2,397 | N/A | N/A | 110000005019473 |
| 18 | Samsung C&T CORPORATION | Southkorea | Seoul | 26 Sangil-ro 6-gil, Gangdong-gu | Seoul | 05288 | N/A | N/A | $18,499,820,328 | 5,770 | N/A | N/A | 4688500111 |
| 19 | China Nonferrous Metal Mining (group) Co.,ltd. | China | Beijing | China Youse Building, No.10, Anding Road, Chaoyang District | Beijing | 100029 | N/A | 1997 | $18,269,054,130 | 38,115 | N/A | N/A | 100000000024910 |
| 20 | China Tiesi Ju Civil Engineering Group CO, LTD | China | Hefei | No.96, Wangjiang East Road, Baohe District | Anhui | 230023 | N/A | 1986 | $18,212,237,776 | 26,071 | N/A | N/A | 340000000004905 |
| 21 | China Gezhouba Group Company LIMITED | China | Wuhan | Gezhouba Hotel, No.558, Jiefang Avenue | Hubei | 430000 | N/A | 1997 | $17,647,298,311 | 826 | N/A | N/A | 420000000004382 |
| 22 | V Prabhakar Reddy | India | Hyderabad | Flat No 503 Pearl House Apartments | Telangana | 500082 | N/A | 1990 | $17,543,228,611 | 39 | N/A | N/A | N/A |
| 23 | Fluor CORPORATION | USA | Irving | 6700 Las Colinas Blvd | Dallas | 75039 | fluor.***** | 1912 | $16,315,000,000 | 26,866 | N/A | N/A | 3286309 |
| 24 | China Railway First Group Co.,ltd. | China | Xi'An | No.1 Yanta North Road, Beilin District | Shaanxi | 710000 | N/A | 1980 | $14,562,784,533 | 24,988 | N/A | N/A | 610000100018548 |
| 25 | Guangxi Beibu Gulf International Port Group Co.,ltd. | China | Nanning | No.12, Tiqiang Road, Liangqing District | Guangxi | 530200 | N/A | 2007 | $14,320,295,565 | 249 | N/A | N/A | 450000000008861 |
| 26 | Network Rail Infrastructure LIMITED | Unitedkingdom | London | Waterloo General Office | London | SE1 8SW | networkrail.***** | 1994 | $14,318,365,215 | 41,331 | N/A | N/A | 02904587 |
| 27 | Mumbai-Jnpt Port Road Company LIMITED | India | New Delhi | G 566sector 10 | Delhi | 110075 | N/A | 2000 | $13,556,543,954 | 120 | N/A | N/A | AADCM0285H |
| 28 | Anhui Construction Engineering Group CORPORATION LIMITED | China | Hefei | No. 459, Mount Huangshan Road, Shushan District | Anhui | 230031 | N/A | 1998 | $13,318,915,568 | 17,797 | N/A | N/A | 340000000010716 |
| 29 | Guizhou Water Resources Investment (group) CO., LTD. Huangjiawan Branch | China | Ziyun Buyei and Miao Autonomou | Huangjiawan Company, Tonghe Village, Bandang Town, Ziyun County, | Guizhou | 560800 | N/A | 2022 | $12,936,411,762 | 0 | N/A | N/A | 520425000225510 |
| 30 | Webuild SPA | Italy | Rozzano | Centro Direzionale Milanofiori Snc | Milano | 20089 | N/A | 1959 | $11,661,386,058 | 1,647 | N/A | N/A | IT02895590962 |
| 31 | Hunter Valley Earthmoving CO PTY LTD | Australia | Brisbane | 179 Grey St | Queensland | 4101 | thiess.***** | 1961 | $10,423,378,350 | 55,990 | N/A | N/A | 000366450 |
| 32 | China Communications Construction Company LIMITED | China | Beijing | No.85, Deshengmen Outer Street, Xicheng District | Beijing | 100088 | N/A | 2006 | $10,299,880,500 | 136,506 | N/A | N/A | 100000000040563 |
| 33 | China Railway 18th Bureau (group) CO., LTD. | China | Tianjin | Shuanggang Township, Jinnan District | Tianjin | 300350 | N/A | 1985 | $10,227,828,455 | 679 | N/A | N/A | 120000000002322 |
| 34 | Gansu Construction Investment (holdings) Group Co.,ltd. | China | Lanzhou | No.575, Xijin East Road | Gansu | 730000 | N/A | 1991 | $10,225,213,309 | 484 | N/A | N/A | 620000100000975 |
| 35 | Shanghai Baoye Group CORP., LTD. | China | Shanghai | No.77 Qing'An Road, Baoshan District | Shanghai | 200941 | N/A | 2003 | $9,851,365,971 | 3,652 | N/A | N/A | 310113000462117 |
| 36 | Guangdong Construction Engineering Group CO., LTD. | China | Guangzhou | 9th Floor, Construction Building, No. 85 Liuhua Road, Liwan Dist | Guangdong | 510013 | N/A | 2001 | $9,428,584,153 | 16,529 | N/A | N/A | 440000000027515 |
| 37 | China Railway NO.2 Engineering Group Co.,ltd. | China | Chengdu | No.10, Majiayuan Road | Sichuan | 610031 | N/A | 2015 | $9,260,480,137 | 18,825 | N/A | N/A | 510100000373620 |
| 38 | Gs Engineering & Construction CORP. | Southkorea | Seoul | 33 Jong-ro, Jongno-gu | Seoul | 03159 | N/A | 1969 | $9,236,216,298 | 5,173 | N/A | N/A | 1048118121 |
| 39 | Sinopec Engineering (group) CO., LTD. | Hongkong | Causeway Bay | 31/f Times Sq Twr 2 | Wan Chai District | N/A | N/A | 2012 | $8,860,444,350 | 16 | N/A | N/A | 60598037 |
| 40 | Water Group Co.,ltd. | China | Jinan | Room 1750, Shuifa Group Building, 33399 Jingshi East Road | Shandong | 250101 | N/A | 2009 | $8,857,583,671 | 116 | N/A | N/A | 370000000001500 |
| 41 | China Railway 10th Bureau Group Co.,ltd. | China | Jinan | Building 7, Shuntai Plaza, High-tech Industry Development Zone | Shandong | 250101 | N/A | 1993 | $8,657,416,512 | 454 | N/A | N/A | 370000018085421 |
| 42 | Raghuvir Construction Company | India | Vadodara | No 2 Illora Park | Gujarat | 390007 | N/A | 1989 | $8,249,265,188 | 51 | N/A | N/A | N/A |
| 43 | China Railway Tunnel Bureau Group Co.,ltd. | China | Guangzhou | Zibian No. 2, West Side of Gongye 4th Road, Mingzhuwan Qibu Zone | Guangdong | 511458 | N/A | 1984 | $8,192,004,004 | 2,779 | N/A | N/A | 440110000630097 |
| 44 | Powerchina Huadong Engineering CORPORATION LIMITED | China | Hangzhou | No. 201, Gaojiao Road, Yuhang District | Zhejiang | 310014 | N/A | 1993 | $7,933,843,205 | 6,000 | N/A | N/A | 330000000023657 |
| 45 | Downer Edi Works PTY LTD & Cpb Contractors PTY LIMITED | Australia | Melbourne | L 1 5 Queens Rd | Victoria | 3004 | cpbcon.***** | 2012 | $7,802,783,406 | 5 | N/A | N/A | 96169172504 |
| 46 | Kbr, INC. | USA | Houston | 601 Jefferson St Ste 3400 | Harris | 77002 | kbr.***** | 1901 | $7,742,000,000 | 38,000 | N/A | N/A | 4129258 |
| 47 | Broad Group Holdings PTY LTD | Australia | Perth | 202 Pier Street | Western Australia | 6000 | broad.***** | 1991 | $7,490,162,610 | 40,234 | N/A | N/A | 052046518 |
| 48 | Cccc Fourth Harbor Engineering Co.,ltd. | China | Guangzhou | No.368, Lijiao Road, Haizhu District | Guangdong | 510920 | N/A | 1983 | $7,191,191,394 | 2,532 | N/A | N/A | 440101000081167 |
| 49 | National Marine Dredging Company | United Arab Emirates | Abu Dhabi | Al Dhafra Street National Marine Dredging Company Building | Abu Dhabi | N/A | N/A | 1986 | $7,151,515,729 | 25,000 | N/A | N/A | CN-1002470 |
| 50 | China Railway Bridge Engineering Bureau Group CO. LTD. Manager | China | Tianjin | No.32, Zhonghuan W. Road, Pilot Free Trade Zone | Tianjin | 300300 | N/A | 1988 | $7,133,172,375 | 12,679 | N/A | N/A | 120192000083682 |