56--Application of Closed Cell Spray Foam Insulation i Inactive Total Small Business Set-Aside (FAR 19.5) Notice ID:140P9719Q0028 Department/Ind.Agency Subtier Office INTERIOR, DEPARTMENT OF THE NATIONAL PARK SERVICE DSC CONTRACTING SERVICES DIVISION NAICS 23831 - Drywall and Insulation Contractors PSC CONSTRUCTION AND BUILDING MATERIAL LOCATION: Show Links & Attachments Links () Attachments () Data sourced from SAM.gov. View Official Posting »