| 1 (6) | Microsoft, USA | USA |  | |
| 2 (8) | Google Inc, USA | USA | | |
| 3 (17) | IBM United States | USA | | |
| 4 (53) | Aramco Services Co, United States | USA | | |
| 5 (55) | Schlumberger, United States | USA | | |
| 6 (79) | Chevron Corp | USA | | |
| 7 (137) | ExxonMobil, USA | USA | | |
| 8 (153) | Baker Hughes, USA | USA | | |
| 9 (160) | Shell, USA | USA | | |
| 10 (297) | Science System and Applications, Inc | USA | | |
| 11 (371) | Boeing Co, USA | USA | | |
| 12 (374) | Lockheed Martin Corp * | USA | | |
| 13 (386) | BP United States | USA | | |
| 13 (386) | Northrop Grumman Corp, USA | USA | | |
| 15 (533) | Aerospace Corp | USA | | |
| 16 (557) | AECOM | USA | |
