2011 Top 100
29: AECOM
| Top 100 Revenue: | $983,154,000 |
| Defense Revenue: | $807,139,000 |
| Civilian Revenue: | $176,015,000 |
| 2010 Revenue: | $6.5 billion |
| 2010 Earnings: | $249.3 million |
| 2009 Revenue: | N/A |
| 2009 Earnings: | N/A |
| Number of employees: | 51,000 |
| Headquarters: | Dallas |
| Website: | http://aecom.com/ |
| Leadership: | John M. Dionisio, president and CEO James Jaska, executive vice president, government |
| Ticker: | ACM |
| Lines of business: | Architecture, building engineering, construction, design and planning, economics, energy, government, mining, oil and gas, program management, transportation and water |
| Major customers: | NASA, Energy, Army Corps of Engineers, FEMA, Navy, Defense Department, Army National Guard |
| Major contracts/projects: | N/A |
