This acquisition is restricted to qualified source(s): Shiloh Industries (CAGE 55097) and Lockheed Martin (CAGE 81755). Award can be made to a vendor; part(s) must be manufactured by a qualified sourc... This acquisition is restricted to qualified source(s): Shiloh Industries (CAGE 55097) and 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.