PSC Z2KC Repair or Alteration of Mine Fire Control Facilities

Services
Federal Category 4.4: Facilities & Construction Facility Related Services

Possible NAICS Codes
238220 – Plumbing, Heating, and Air-Conditioning Contractors
561621 – Security Systems Services (except Locksmiths)
238210 – Electrical Contractors and Other Wiring Installation Contractors
561210 – Facilities Support Services
238330 – Flooring Contractors