PSC Z1LB Maintenance of Highways/Roads/Streets/Bridges/Railways

Services
Federal Category 4.4: Facilities & Construction Facility Related Services

Includes
RESURFACING

Possible NAICS Codes
237310 – Highway, Street, and Bridge Construction
115310 – Support Activities for Forestry
237990 – Other Heavy and Civil Engineering Construction
236220 – Commercial and Institutional Building Construction
238110 – Poured Concrete Foundation and Structure Contractors
238990 – All Other Specialty Trade Contractors
238910 – Site Preparation Contractors
523910 – Miscellaneous Intermediation
561210 – Facilities Support Services