PSC Z2BA Repair or Alteration of Air Traffic Control Towers

Services
Federal Category 4.4: Facilities & Construction Facility Related Services

Possible NAICS Codes
236220 – Commercial and Institutional Building Construction
238160 – Roofing Contractors
238990 – All Other Specialty Trade Contractors
238220 – Plumbing, Heating, and Air-Conditioning Contractors
561210 – Facilities Support Services
238150 – Glass and Glazing Contractors
238210 – Electrical Contractors and Other Wiring Installation Contractors
562910 – Remediation Services
237990 – Other Heavy and Civil Engineering Construction
238290 – Other Building Equipment Contractors