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Found 1,861 PSC codes

Y1NB CONSTRUCTION OF HEATING AND COOLING PLANTS

Y1ND CONSTRUCTION OF SEWAGE AND WASTE FACILITIES

Y1PA CONSTRUCTION OF RECREATION FACILITIES (NON-BUILDING)

Y1PB CONSTRUCTION OF EXHIBIT DESIGN (NON-BUILDING)

Y1PD CONSTRUCTION OF WASTE TREATMENT AND STORAGE FACILITIES

Y1PZ CONSTRUCTION OF OTHER NON-BUILDING FACILITIES

Y2 CONSTRUCT NONBUILDING FACILITIES

Z1 MAINT, ALTER, REPAIR BUILDINGS

Z1AA MAINTENANCE OF OFFICE BUILDINGS

Z1AZ MAINTENANCE OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS

Z1BB MAINTENANCE OF AIR TRAFFIC CONTROL TRAINING FACILITIES

Z1BC MAINTENANCE OF RADAR AND NAVIGATIONAL FACILITIES

Z1BG MAINTENANCE OF ELECTRONIC AND COMMUNICATIONS FACILITIES

Z1CZ MAINTENANCE OF OTHER EDUCATIONAL BUILDINGS

Z1DZ MAINTENANCE OF OTHER HOSPITAL BUILDINGS

Z1EB MAINTENANCE OF MAINTENANCE BUILDINGS

Z1EC MAINTENANCE OF PRODUCTION BUILDINGS

Z1EZ MAINTENANCE OF OTHER INDUSTRIAL BUILDINGS

Z1FA MAINTENANCE OF FAMILY HOUSING FACILITIES

Z1FB MAINTENANCE OF RECREATIONAL BUILDINGS

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