2005 Top 100
40: Parsons Corp.
| Top 100 Revenue: | $260,786,644 |
| Defense Revenue: | $252,950,533 |
| Civilian Revenue: | $7,836,111 |
| 2004 Revenue: | N/A |
| 2004 Earnings: | N/A |
| 2003 Revenue: | N/A |
| 2003 Earnings: | N/A |
| Number of employees: | 9,000 |
| Headquarters: | Pasadena, Calif. |
| Website: | www.parsons.com |
| Leadership: | James F. McNulty, chairman and CEO, John A. Scott, president and COO Tom Roell, president, Infrastructure and Technology group |
| Ticker: | N/A |
| Lines of business: | Water and infrastructure, commercial technology, infrastructure & technology and transportation |
| Major customers: | Army, Navy and Energy Department |
| Major contracts/projects: | Parsons is providing environmental cleanup services at U.S. Army installations in the United States, Puerto Rico and the U.S. Virgin Islands. |