H--Replace 5 Backflow Preventer Valves Inactive Total Small Business Set-Aside (FAR 19.5) Notice ID:140P4319Q0043 Department/Ind.Agency Subtier Office INTERIOR, DEPARTMENT OF THE NATIONAL PARK SERVICE DSC CONTRACTING SERVICES DIVISION NAICS 238220 - Plumbing, Heating, and Air-Conditioning Contractors PSC QUALITY CONTROL, TEST, INSPECTION LOCATION: Show Links & Attachments Links () Attachments () Data sourced from SAM.gov. View Official Posting »