PSC Z1KA Maintenance of Dams

Services
Federal Category 4.4: Facilities & Construction Facility Related Services

Possible NAICS Codes
237990 – Other Heavy and Civil Engineering Construction
561990 – All Other Support Services
238990 – All Other Specialty Trade Contractors
238290 – Other Building Equipment Contractors
238910 – Site Preparation Contractors
561730 – Landscaping Services
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238320 – Painting and Wall Covering Contractors
238210 – Electrical Contractors and Other Wiring Installation Contractors
236220 – Commercial and Institutional Building Construction