Defense contractors do not generally provide direct support of military operations. Under 1949 Geneva Conventions defense contractors engaged in direct support of military operations may be legitimate targets of military attack. Compare to Private military contractor.
Top 10 World-Wide Defense Contractors, 2005
Rank
Name
Country
2004 Rank
Defense Revenue (US$ millionThe comma is used in the North American sense; e.g. Lockheed Martin defense revenues are just over $34 billion, or $34,050,000,000.)
4Adding BAE's 2004 revenue with that of UDI (the purchase of this company has been completed) gives a revenue total of $22,636.8 million, which would place it third.