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Found 746 PSC codes

Y1NE CONSTRUCTION OF WATER SUPPLY FACILITIES

Y1PD CONSTRUCTION OF WASTE TREATMENT AND STORAGE FACILITIES

Z1BA MAINTENANCE OF AIR TRAFFIC CONTROL TOWERS

Z1BD MAINTENANCE OF AIRPORT RUNWAYS AND TAXIWAYS

Z1GZ MAINTENANCE OF OTHER WAREHOUSE BUILDINGS

Z1HA MAINTENANCE OF GOVERNMENT-OWNED CONTRACTOR-OPERATED (GOCO) R&D FACILITIES

Z1HB MAINTENANCE OF GOVERNMENT-OWNED GOVERNMENT-OPERATED (GOGO) R&D FACILITIES

Z1HC MAINTENANCE OF GOVERNMENT-OWNED CONTRACTOR-OPERATED (GOCO) ENVIRONMENTAL LABORATORIES

Z1HZ MAINTENANCE OF GOVERNMENT-OWNED GOVERNMENT-OPERATED (GOGO) ENVIRONMENTAL LABORATORIES

Z1LB MAINTENANCE OF HIGHWAYS/ROADS/STREETS/BRIDGES/RAILWAYS

Includes: RESURFACING

Z1MH MAINTENANCE OF EPG FACILITIES - WIND

Z1ND MAINTENANCE OF SEWAGE AND WASTE FACILITIES

Z1NE MAINTENANCE OF WATER SUPPLY FACILITIES

Z1PD MAINTENANCE OF WASTE TREATMENT AND STORAGE FACILITIES

Z2BA REPAIR OR ALTERATION OF AIR TRAFFIC CONTROL TOWERS

Z2BD REPAIR OR ALTERATION OF AIRPORT RUNWAYS AND TAXIWAYS

Z2GZ REPAIR OR ALTERATION OF OTHER WAREHOUSE BUILDINGS

Z2HA REPAIR OR ALTERATION OF GOVERNMENT-OWNED CONTRACTOR-OPERATED (GOCO) R&D FACILITIES

Z2HB REPAIR OR ALTERATION OF GOVERNMENT-OWNED GOVERNMENT-OPERATED (GOGO) R&D FACILITIES

Z2HC REPAIR OR ALTERATION OF GOVERNMENT-OWNED CONTRACTOR-OPERATED (GOCO) ENVIRONMENTAL LABORATORIES

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