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 |