2009 Top 100

Companies evolve as government priorities change

We rank the largest government contractors according to their prime contracting revenue in government fiscal year 2008. Data is collected on government expenditures related to information technology products and services, systems integration, telecommunications, professional services and engineering services.

Click here for our coverage of the 2009 Top 100.

Click here for our methodology.

NEW COMPANIES ON THE LIST

2009	Company	Contracts
100	Institute for Defense Analyses	$150,960,706
29	Aerospace Corp.	$809,365,983
38	General Physics Corp.	$577,022,753
59	Development Alternatives Inc.	$314,887,671
70	Chemonics International Inc.	$256,859,399
82	Mission Essential Personnel	$198,407,133

Washington Technology, Eagle Eye Publishers Inc., and Houlihan Lokey

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