The following Product Service Codes (PSCs) are commonly associated with NAICS 237990, Other Heavy and Civil Engineering Construction

PSC Y1KF Construction of Dredging Facilities

Services
Federal Category 4.2: Facilities & Construction Construction Related Services

PSC Z1KF Maintenance of Dredging Facilities

Services
Federal Category 4.4: Facilities & Construction Facility Related Services

PSC Z2LB Repair or Alteration of Highways/Roads/Streets/Bridges/Railways

Services

PSC Y1JZ Construction of Miscellaneous Buildings

Services

PSC Y1LB Construction of Highways, Roads, Streets, Bridges, and Railways

Services