| 1 (22) | Saudi Arabian Oil Co, USA | USA |  | |
| 2 (54) | Schlumberger, United States | USA | | |
| 3 (75) | Microsoft, USA | USA | | |
| 4 (109) | Chevron Corp | USA | | |
| 5 (128) | Google Inc, USA | USA | | |
| 6 (304) | KBR Inc, USA | USA | | |
| 7 (307) | ExxonMobil, USA | USA | | |
| 8 (367) | Shell, United States | USA | | |
| 9 (486) | IBM United States | USA | | |
| 10 (637) | Science System and Applications, Inc | USA | | |
| 11 (709) | Lockheed Martin Corp * | USA | | |
| 12 (1272) | Northrop Grumman Corp, USA | USA | | |
| 13 (1893) | Boeing Co, USA | USA | | |
| 14 (2025) | Aerospace Corp | USA | | |
| 15 (3103) | Raytheon Co, USA | USA | |
