PSC Z1AA Maintenance of Office Buildings

Services
Federal Category 4.4: Facilities & Construction Facility Related Services

Possible NAICS Codes
561210 – Facilities Support Services
236220 – Commercial and Institutional Building Construction
238220 – Plumbing, Heating, and Air-Conditioning Contractors
236210 – Industrial Building Construction
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238290 – Other Building Equipment Contractors
238320 – Painting and Wall Covering Contractors
238210 – Electrical Contractors and Other Wiring Installation Contractors
237990 – Other Heavy and Civil Engineering Construction
238990 – All Other Specialty Trade Contractors