| 61 | 61 | 60 | ACCIONA Infraestructuras SA, Madrid, Spain |
| 62 | 62 | 85 | Polimeks Insaat Taahhut ve San. Tic. AS, Istanbul, Turkey |
| 63 | 63 | 41 | Isolux Corsan, Madrid, Spain |
| 64 | 64 | 63 | China Petroleum Pipeline Bureau (CPP), Langfang City, Hebei, China |
| 65 | 65 | 52 | Enka Construction & Industry Co. Inc., Istanbul, Turkey |
| 66 | 66 | 76 | China Petroleum Engineering & Const. (Group) Corp., Beijing, China |
| 67 | 67 | | AECOM, Los Angeles, Calif., U.S.A. |
| 68 | 68 | 100 | SNC-Lavalin International Inc., Montreal, Quebec, Canada |
| 69 | 69 | 66 | Van Oord, Rotterdam, The Netherlands |
| 70 | 70 | 72 | PORR AG, Vienna, Austria |
| 71 | 71 | 61 | Sacyr , Madrid, Spain |
| 72 | 72 | 79 | Dongfang Electric Corp., Chengdu, Sichuan, China |
| 73 | 73 | 69 | BESIX SA, Brussels, Belgium |
| 74 | 74 | 84 | China Int'l Water & Electric Corp., Beijing, China |
| 75 | 75 | 75 | Shimizu Corp., Chuo-ku, Japan |
| 76 | 76 | 82 | China National Chemical Engineering Group Corp., Beijing, China |
| 77 | 77 | 87 | Takenaka Corp., Osaka, Japan |
| 78 | 78 | 73 | Hanwha Engineering & Construction Corp., Seoul, S. Korea |
| 79 | 79 | 81 | Joannou & Paraskevaides Group of Cos., Guernsey, Saudi Arabia |
| 80 | 80 | 78 | Maire Tecnimont, Milan, Italy |
| 81 | 81 | 98 | Qingjian Group Co. Ltd., Qingdao, Shandong, China |
| 82 | 82 | 83 | TAV Construction, Istanbul, Turkey |
| 83 | 83 | 77 | Andrade Gutierrez Engenharia SA, Rio de Janeiro, Brazil |
| 84 | 84 | 88 | Sinopec Engineering (Group) Co. Ltd., Beijing, China |
| 85 | 85 | 105 | The Arab Contractors Co., Cairo, Egypt |
| 86 | 86 | 93 | CGCOC Group Co. Ltd. (formerly CGC Overseas Construction Group Co. Ltd.), Beijing, China |
| 87 | 87 | 97 | Penta-Ocean Construction Co. Ltd., Tokyo, Japan |
| 88 | 88 | 86 | Ed. Züblin AG, Stuttgart, Baden-Wüuuml;rttemberg, Germany |
| 89 | 89 | 157 | Calik Enerji Saanayi ve Ticaret AS, Ankara, Turkey |
| 90 | 90 | 101 | Tekfen Construction & Installation Co. Inc., Istanbul, Turkey |