| 1 | China Communications Construction Company LIMITED | Hongkong | Wan Chai District | Rm 2805 28/f Convention Plz Office Twr | Wan Chai District | N/A | N/A | 2006 | $106,030,594,131 | 30 | N/A | N/A | 37383114 |
| 2 | Jomda County Miti Architecture CO., LTD. | China | Qamdo | 200, Dajingwu Station, Duo Village, Jomda County | Tibet | N/A | N/A | 2016 | $73,163,892,360 | 9 | N/A | N/A | 540321200000765 |
| 3 | Rossaro Bauunternehmung GMBH U. Co.kg | Germany | Aalen | Carl-zeiss-str. 79 | Ostalbkreis | 73431 | rossaro.***** | 1879 | $53,920,661,200 | 135 | N/A | N/A | 89073A500306 |
| 4 | China Energy Engineering Group CO., LTD. | China | Beijing | Room 01-2701, 1st to 24th Floor, Building 1, No. 26, Xidawang Ro | Beijing | 100022 | N/A | 2011 | $50,795,784,500 | 2,779 | N/A | N/A | 100000000044001 |
| 5 | Anwar Alreef Company For General Trading, General Contracts With LIMITED Liability | Iraq | Salah Adien | Main Street | N/A | N/A | N/A | 2010 | $44,288,787,672 | 32 | N/A | N/A | 75998-02-msh |
| 6 | Hochtief Infrastructure GMBH | Austria | Wien | Modecenterstraße 17/objekt 2/6. Og | Wien | 1110 | hochtief.***** | 2013 | $30,170,017,077 | 681 | N/A | N/A | FN417357k |
| 7 | Hussien Assaf Aboud Company For General Contracting L.L.C | Iraq | Baghdad | Alrabee Street, Baghdad Hay al Jamiaa | N/A | N/A | N/A | 2016 | $27,103,365,187 | 1 | N/A | N/A | 938 |
| 8 | Alaa Al-Iraq Company For General Contracts LTD | Iraq | Alramadi | 20th Street | N/A | N/A | N/A | 2016 | $25,544,526,010 | 11 | N/A | N/A | 02-706554 |
| 9 | Wadi Al Zaitoon Company | Iraq | Basra | Jamaa Street | N/A | N/A | N/A | 2004 | $24,924,506,707 | 25 | N/A | N/A | 18814 |
| 10 | Hubei Zhuoda Construction Engineering CO., LTD. | China | Enshi Tujia and Miao Autonomou | No.1002, Unit 1, Building 3, Wanfu International Shopping Mall, | Hubei | 445000 | N/A | 2021 | $22,542,922,416 | 36 | N/A | N/A | 422801000377192 |
| 11 | Al Mawazeen General Contracting Company | Iraq | Basra | Al Saady Street | N/A | N/A | N/A | 2005 | $19,277,321,552 | 30 | N/A | N/A | MS/25392 |
| 12 | Cccc Frist Highway Engineering Group Co.,ltd. | China | Beijing | Building A, Shitong Building, Zhoujiajing, Guanzhuang, Chaoyang | Beijing | 100024 | N/A | 1987 | $18,120,537,349 | 3,177 | N/A | N/A | 110000002040229 |
| 13 | Obayashi CORPORATION | Japan | Minato-ku | 2-15-2, Konan | Tōkyō | 108-0075 | N/A | 1892 | $17,570,397,306 | 17,305 | N/A | N/A | 7010401088742 |
| 14 | Hunan Construction Engineering Group Co.,ltd. | China | Changsha | No. 788, Section 1, Furong South Road | Hunan | 410004 | N/A | 1985 | $17,133,397,946 | 3,652 | N/A | N/A | 430000000074418 |
| 15 | Larsen And Toubro LIMITED | India | Mumbai | L&t House, Ballard Estate, P. O. Box: 278, | Maharashtra | 400001 | larsentoubro.***** | 1950 | $16,196,989,848 | 58,556 | N/A | N/A | 27AAACL0140P1ZJ |
| 16 | Al Foad CO. For General Contracting. | Iraq | Anbar | Al Taef Building al Mustawadea Street | N/A | N/A | N/A | 2016 | $15,798,634,784 | 20 | N/A | N/A | 440 |
| 17 | Hunan Jiehao Construction Engineering CO., LTD. Xinshao Branch | China | Xinshao | Building 1, Group 4, Lishan Community | Hunan | 422900 | N/A | 2020 | $15,332,486,194 | 9 | N/A | N/A | 430522300122327 |
| 18 | Sichuan Road & Bridge Group Co.,ltd. | China | Chengdu | No. 12 Jiuxing Avenue, High Tech Zone | Sichuan | 610041 | N/A | 1999 | $14,800,691,751 | 18,474 | N/A | N/A | 510000000088363 |
| 19 | Emirates Investment Authority | United Arab Emirates | Al Ain | Near al Wagan Municipality Bui al Wegan,al Ain Abu Dhabi Road | Abu Dhabi | N/A | N/A | 2015 | $14,210,047,141 | 0 | N/A | N/A | 100023129800003 |
| 20 | Emirates Investment Authority | United Arab Emirates | Dubai | Al Twar 1, Deira | Dubai | N/A | N/A | 2015 | $14,210,047,141 | 0 | N/A | N/A | 624988 |
| 21 | Emirates Investment Authority | United Arab Emirates | Fujairah | Alsouq Road,dibba Fujairah | Fujairah | N/A | N/A | 2015 | $14,210,047,141 | 0 | N/A | N/A | 100023129800003 |
| 22 | Emirates Investment Authority | United Arab Emirates | Sharjah | Industrial Area Service Centre,industrial Area 2 | Sharjah | N/A | N/A | 2015 | $14,210,047,141 | 0 | N/A | N/A | 100023129800003 |
| 23 | Emirates Investment Authority | United Arab Emirates | Fujairah | Fujairah Century Mall,al Fujairah | Fujairah | N/A | N/A | 2015 | $14,210,047,141 | 0 | N/A | N/A | 100023129800003 |
| 24 | Emirates Investment Authority | United Arab Emirates | Al Ain | Al Maqam,wahat Hili Centre | Abu Dhabi | N/A | N/A | 2015 | $14,210,047,141 | 0 | N/A | N/A | 100023129800003 |
| 25 | Emirates Investment Authority | United Arab Emirates | Abu Dhabi | Al Mafraq,mafraq Street | Abu Dhabi | N/A | N/A | 2015 | $14,210,047,141 | 0 | N/A | N/A | 100023129800003 |