Support Services Inactive Notice ID:HS002119D0132 Please see attached Justification. Department/Ind.Agency Subtier Office DEPT OF DEFENSE DEFENSE COUNTERINTELLIGENCE AND SECURITY AGENCY (DCSA) DEFENSE CI AND SECURITY AGENCY NAICS 561611 - Investigation and Personal Background Check Services PSC OTHER PROFESSIONAL SERVICES LOCATION: Show Links & Attachments Links () Attachments () Data sourced from SAM.gov. View Official Posting »