PSC M1BA Operation of Air Traffic Control Towers

Services
Federal Category 4.4: Facilities & Construction Facility Related Services

Possible NAICS Codes
488111 – Air Traffic Control
488190 – Other Support Activities for Air Transportation
561210 – Facilities Support Services
541611 – Administrative Management and General Management Consulting Services
561990 – All Other Support Services
561621 – Security Systems Services (except Locksmiths)
541990 – All Other Professional, Scientific, and Technical Services
541330 – Engineering Services