PSC Z1GB Maintenance of Food or Grain Storage Buildings

Services
Federal Category 4.4: Facilities & Construction Facility Related Services

Possible NAICS Codes
561210 – Facilities Support Services
238990 – All Other Specialty Trade Contractors
511210 – Software Publishers
238310 – Drywall and Insulation Contractors
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238210 – Electrical Contractors and Other Wiring Installation Contractors
238190 – Other Foundation, Structure, and Building Exterior Contractors
238160 – Roofing Contractors
236220 – Commercial and Institutional Building Construction
221121 – Electric Bulk Power Transmission and Control