| 1 | Jacobs | Find official website |
| 2 | AECOM | Find official website |
| 3 | WSP Global | Find official website |
| 4 | Arcadis | Find official website |
| 5 | Arup | Find official website |
| 6 | AtkinsRéalis | Find official website |
| 7 | Mott MacDonald | Find official website |
| 8 | Ramboll | Find official website |
| 9 | HDR | Find official website |
| 10 | Black & Veatch | Find official website |
| 11 | Burns & McDonnell | Find official website |
| 12 | Stantec | Find official website |
| 13 | Tetra Tech | Find official website |
| 14 | Fluor | Find official website |
| 15 | Bechtel | Find official website |
| 16 | Worley | Find official website |
| 17 | Wood | Find official website |
| 18 | KBR | Find official website |
| 19 | Technip Energies | Find official website |
| 20 | Saipem | Find official website |
| 21 | Samsung Engineering | Find official website |
| 22 | Larsen & Toubro | Find official website |
| 23 | Tata Projects | Find official website |
| 24 | Shapoorji Pallonji | Find official website |
| 25 | Afcons Infrastructure | Find official website |
| 26 | Hindustan Construction Company | Find official website |
| 27 | NCC Limited | Find official website |
| 28 | GMR Group | Find official website |
| 29 | KEC International | Find official website |
| 30 | Kalpataru Projects International | Find official website |
| 31 | RITES | Find official website |
| 32 | IRCON International | Find official website |
| 33 | Rail Vikas Nigam Limited | Find official website |
| 34 | Bharat Heavy Electricals Limited | Find official website |
| 35 | Engineers India Limited | Find official website |
| 36 | Megha Engineering & Infrastructures | Find official website |
| 37 | Dilip Buildcon | Find official website |
| 38 | PNC Infratech | Find official website |
| 39 | J Kumar Infraprojects | Find official website |
| 40 | KNR Constructions | Find official website |
| 41 | Siemens | Find official website |
| 42 | ABB | Find official website |
| 43 | Schneider Electric | Find official website |
| 44 | Eaton | Find official website |
| 45 | Honeywell | Find official website |
| 46 | Emerson | Find official website |
| 47 | Rockwell Automation | Find official website |
| 48 | Mitsubishi Electric | Find official website |
| 49 | Yokogawa | Find official website |
| 50 | Omron | Find official website |
| 51 | Bosch Engineering | Find official website |
| 52 | Continental Engineering Services | Find official website |
| 53 | Aptiv | Find official website |
| 54 | BorgWarner | Find official website |
| 55 | Denso | Find official website |
| 56 | Valeo | Find official website |
| 57 | ZF Friedrichshafen | Find official website |
| 58 | Magna International | Find official website |
| 59 | Dana Incorporated | Find official website |
| 60 | Cummins | Find official website |
| 61 | General Electric | Find official website |
| 62 | GE Vernova | Find official website |
| 63 | Hitachi | Find official website |
| 64 | Mitsubishi Heavy Industries | Find official website |
| 65 | Hyundai Engineering & Construction | Find official website |
| 66 | China State Construction Engineering | Find official website |
| 67 | China Railway Group | Find official website |
| 68 | China Railway Construction | Find official website |
| 69 | VINCI | Find official website |
| 70 | Bouygues Construction | Find official website |
| 71 | Skanska | Find official website |
| 72 | STRABAG | Find official website |
| 73 | Balfour Beatty | Find official website |
| 74 | Ferrovial | Find official website |
| 75 | ACS Group | Find official website |
| 76 | PCL Construction | Find official website |
| 77 | DPR Construction | Find official website |
| 78 | Kiewit | Find official website |
| 79 | Turner Construction | Find official website |
| 80 | Whiting-Turner | Find official website |
| 81 | JGC Holdings | Find official website |
| 82 | Chiyoda Corporation | Find official website |
| 83 | Maire Tecnimont | Find official website |
| 84 | Petrofac | Find official website |
| 85 | Subsea7 | Find official website |
| 86 | TechnipFMC | Find official website |
| 87 | Aker Solutions | Find official website |
| 88 | McDermott International | Find official website |
| 89 | Worley Parsons | Find official website |
| 90 | SLB | Find official website |
| 91 | Baker Hughes | Find official website |
| 92 | Halliburton | Find official website |
| 93 | Weatherford | Find official website |
| 94 | NOV | Find official website |
| 95 | John Wood Group | Find official website |
| 96 | Penspen | Find official website |
| 97 | Lloyd's Register | Find official website |
| 98 | DNV | Find official website |
| 99 | Egis | Find official website |
| 100 | SYSTRA | Find official website |
| 101 | Wabtec | Find official website |
| 102 | Alstom | Find official website |
| 103 | Siemens Mobility | Find official website |
| 104 | Thales Group | Find official website |
| 105 | SNC-Lavalin | Find official website |
| 106 | Jacobs Engineering | Find official website |
| 107 | AECOM India | Find official website |
| 108 | L&T Technology Services | Find official website |
| 109 | Tata Technologies | Find official website |
| 110 | HCLTech Engineering | Find official website |
| 111 | Cyient | Find official website |
| 112 | KPIT Technologies | Find official website |
| 113 | Quest Global | Find official website |
| 114 | Tata Elxsi | Find official website |
| 115 | Tech Mahindra Engineering | Find official website |
| 116 | Infosys Engineering Services | Find official website |
| 117 | Capgemini Engineering | Find official website |
| 118 | Wipro Engineering | Find official website |
| 119 | LTIMindtree Engineering | Find official website |
| 120 | Cognizant Engineering | Find official website |
| 121 | Accenture Industry X | Find official website |
| 122 | EPAM Systems | Find official website |
| 123 | ALTEN | Find official website |
| 124 | Alten India | Find official website |
| 125 | TÜV SÜD | Find official website |
| 126 | TÜV Rheinland | Find official website |
| 127 | Bureau Veritas | Find official website |
| 128 | Intertek | Find official website |
| 129 | SGS | Find official website |
| 130 | UL Solutions | Find official website |
| 131 | Expleo | Find official website |
| 132 | Ebara Corporation | Find official website |
| 133 | Sulzer | Find official website |
| 134 | Flowserve | Find official website |
| 135 | Grundfos | Find official website |
| 136 | Xylem | Find official website |
| 137 | FLSmidth | Find official website |
| 138 | Metso | Find official website |
| 139 | Sandvik | Find official website |
| 140 | Atlas Copco | Find official website |
| 141 | Epiroc | Find official website |
| 142 | Konecranes | Find official website |
| 143 | KONE | Find official website |
| 144 | Otis Worldwide | Find official website |
| 145 | Schindler Group | Find official website |
| 146 | TK Elevator | Find official website |
| 147 | Trane Technologies | Find official website |
| 148 | Carrier Global | Find official website |
| 149 | Johnson Controls | Find official website |
| 150 | Daikin | Find official website |
| 151 | Lennox International | Find official website |
| 152 | Jacobs Solutions | Find official website |
| 153 | Arup Group | Find official website |
| 154 | Ramboll Group | Find official website |
| 155 | HDR Inc. | Find official website |
| 156 | Fluor Corporation | Find official website |
| 157 | Bechtel Corporation | Find official website |
| 158 | Kiewit Corporation | Find official website |
| 159 | Gilbane Building Company | Find official website |
| 160 | Mortenson | Find official website |
| 161 | JE Dunn Construction | Find official website |
| 162 | Hensel Phelps | Find official website |
| 163 | Brasfield & Gorrie | Find official website |
| 164 | The Walsh Group | Find official website |
| 165 | Laing O’Rourke | Find official website |
| 166 | Multiplex | Find official website |
| 167 | Mace Group | Find official website |
| 168 | BAM Group | Find official website |
| 169 | Balfour Beatty plc | Find official website |
| 170 | Kier Group | Find official website |
| 171 | Bouygues | Find official website |
| 172 | Eiffage | Find official website |
| 173 | Colas Group | Find official website |
| 174 | Webuild | Find official website |
| 175 | Porr Group | Find official website |
| 176 | Hyundai Rotem | Find official website |
| 177 | Doosan Enerbility | Find official website |
| 178 | Doosan Engineering & Construction | Find official website |
| 179 | Lotte Engineering & Construction | Find official website |
| 180 | GS Engineering & Construction | Find official website |
| 181 | DL E&C | Find official website |
| 182 | Korea Electric Power Engineering | Find official website |
| 183 | Toyo Engineering | Find official website |
| 184 | JFE Engineering | Find official website |
| 185 | IHI Corporation | Find official website |
| 186 | Kawasaki Heavy Industries | Find official website |
| 187 | MHI Engineering | Find official website |
| 188 | Obayashi Corporation | Find official website |
| 189 | Kajima Corporation | Find official website |
| 190 | Shimizu Corporation | Find official website |
| 191 | Taisei Corporation | Find official website |
| 192 | Takenaka Corporation | Find official website |
| 193 | L&T Construction | Find official website |
| 194 | Tata Consulting Engineers | Find official website |
| 195 | Meinhardt Group | Find official website |
| 196 | RSP Architects Planners & Engineers | Find official website |
| 197 | AECOM Middle East | Find official website |
| 198 | Dar Al-Handasah | Find official website |
| 199 | Khatib & Alami | Find official website |
| 200 | Consolidated Contractors Company | Find official website |