(in US$ Millions)
| Company | Country | GCC total in 2006 |
| Saudi Binladin Group | Saudi Arabia | 4050 |
| Consolidated Contractors International Company (CCC) | Athens-based | 3664 |
| Saudi Oger | Saudi Arabia | 2500 |
| Arabian Construction Company | Lebanon | 2209 |
| Arabtec Construction | UAE | 1793 |
| Joannou & Paraskevaides | Cyprus | 1440 |
| Al-Hamad / Dubai Civil Engineering | UAE | 954 |
| Taisei Corporation | Japan | 932 |
| Dubai Contracting Company | UAE | 855 |
| Six Construct | Belgium | 799 |
| Baytur Construction & Contracting Company | Turkey | 766 |
| Interserve | UK | 724 |
| Cebarco | Bahrain | 650 |
| Al-Shafar General Contracting | UAE | 640 |
| Al-Arrab Contracting Company | Saudi Arabia | 599 |
| Shimizu Corporation | Japan | 544 |
| Gulf Leighton | Australia | 524 |
| Alec | UAE | 513 |
| Sinohydro Corporatrion | China | 503 |
| Al-Naboodah Laing O’Rourke | UAE/UK | 490 |
| Galfar Engineering & Contracting | Oman | 466 |
| Al-Basti & Muktha (ABM) | UAE | 463 |
| TAV Gulf | Turkey | 463 |
| Shibh Al-Jazira Contracting Company | Saudi Arabia | 453 |
| Dutco Balfour Beatty | UAE | 436 |
| Burhan International Construction Company | Kuwait | 416 |
| Combined Group | Kuwait | 356 |
| Al-Khodari Sons Company | Saudi Arabia | 341 |
| Mushrif Trading & Contracting Company | Kuwait | 326 |
| United Gulf Construction | Kuwait | 323 |
| Al-Habtoor Engineering | UAE | 310 |
| Ahmadiah Trading & Contracting Company | Kuwait | 275 |
| Multiplex | Australia | 272 |
| Murray & Roberts Contractors (Middle East) | South Africa | 270 |
| Saudi Freyssinet | Saudi Arabia | 267 |
| Midmac Contracting | Qatar | 121 |
| Gamuda | Malaysia | 170 |
| Al Jaber Engineering | Qatar | 164 |
| Huta Marine Works | Saudi Arabia | 147 |
| Takenaka Corporation | Japan | 140 |
| Carillion Alawi | UK/Oman | 121 |
| Saudi Lebanese Modern Construction Company | Saudi Arabia | 109 |
| Al-Hassan Engineering | Oman | 103 |
| Contraco | Qatar | 91 |
| Al-Muhairy General Contracting | UAE | 89 |
| Al-Redwan Contracting | Saudi Arabia | 67 |
| Almabani General Contractors | Saudi Arabia | 67 |
| Saudi Constructioneers | Saudi Arabia | 40 |