2009 Top 100
83: Orbital Sciences Corp.
| Top 100 Revenue: | $194,688,887 |
| Defense Revenue: | $141,465,339 |
| Civilian Revenue: | $53,223,547 |
| 2008 Revenue: | $1.2 billion |
| 2008 Earnings: | $61.3 million |
| 2007 Revenue: | N/A |
| 2007 Earnings: | N/A |
| Number of employees: | 3,700 |
| Headquarters: | Dulles, Va. |
| Website: | http://www.orbital.com |
| Leadership: | David W. Thompson, chairman and CEO |
| Ticker: | ORB |
| Lines of business: | Satellites and space systems, space launch vehicles, missile defense systems, human spaceflight and exploration systems and space technical services |
| Major customers: | NASA and Defense Department |
| Major contracts/projects: | Orbital Sciences won a $1.9 billion NASA contract to provide cargo transportation services to and from the International Space Station. |