On the final day of its fiscal year, the Department of Defense announced 95 separate defense contracts Monday, worth $5.526 billion in total. One of the day's largest awards didn't deal with military hardware at all.

Said to be worth $600 million in total, the contract in question was given by the U.S. Army Corps of Engineers, and names several companies as winning the right to bid on individual task orders to assist the Corps with various Pentagon "energy conservation and development of alternative energy projects."

Forty-six companies applied to participate in the program; 11 were chosen, including privately owned firms and foreign-listed companies -- but also the following five publicly traded firms listed in the U.S.: