This acquisition is restricted to qualified source(s): ACT (CAGE 1XKR3) or Lockheed Martin (CAGE 81755). Award can be made to a vendor; part(s) must be manufactured by a qualified source. Contractors ... This acquisition is restricted to qualified source(s): ACT (CAGE 1XKR3) or Lockheed Martin (CAGE 81755). Award can be made to a vendor; part(s) must be manufactured by a qualified source. Contractors desiring to become a qualified source must submit a qualification package. Please see clause 52.209-1 and the attached Manufacturing Qualification Requirement for additional details.