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Britain’s QinetiQ Group last Friday said its U.S. subsidiary, QinetiQ, Inc., has agreed to acquire Avantus Federal for $590 million in a deal that will more than double the size of its U.S. business and position it to accelerate growth in the federal space. Avantus, which is based in Northern Virginia and is a portfolio company of NewSpring Holdings, had $298 million in sales for the one-year period that ended June 30, $32 million in adjusted operating profit, and has…
