Peraton Risk Decision Inc., Loveland, Colorado (HS002123D0001); and CACI Inc. – Federal, Reston, Virginia (HS002123D0002), have been awarded parallel, single-award, firm-fixed-price, indefinite-delivery/indefinite-quantity contracts for nationwide background investigation fieldwork services under solicitation numbers HS002122R0002 and HS002122R0003. The Defense Counterintelligence and Security Agency (DCSA) is the primary investigative service provider for the federal government. Each multi-year contract has a maximum value of $2,250,000,000; a minimum guaranteed value of $50,000,000; and a five-year ordering period that will conclude on Dec. 8, 2027. The awards are the result of a competitive acquisition process under which four offers were received in response to each solicitation. Task order awards to Peraton and CACI, each obligated in the amount of $50,000,000 with defense working capital funds, followed directly thereafter. DCSA Acquisition and Contracting, Quantico, Virginia, is the contracting activity.