PSC codes

Z1MG MAINTENANCE OF EPG FACILITIES - SOLAR

Z1MH MAINTENANCE OF EPG FACILITIES - WIND

Z1MZ MAINTENANCE OF EPG FACILITIES - OTHER, INCLUDING TRANSMISSION

Z1NA MAINTENANCE OF FUEL SUPPLY FACILITIES

Z1NB MAINTENANCE OF HEATING AND COOLING PLANTS

Z1NC MAINTENANCE OF POLLUTION ABATEMENT AND CONTROL FACILITIES

Z1ND MAINTENANCE OF SEWAGE AND WASTE FACILITIES

Z1NE MAINTENANCE OF WATER SUPPLY FACILITIES

Z1NZ MAINTENANCE OF OTHER UTILITIES

Z1PA MAINTENANCE OF RECREATION FACILITIES (NON-BUILDING)

Z1PB MAINTENANCE OF EXHIBIT DESIGN (NON-BUILDING)

Z1PC MAINTENANCE OF UNIMPROVED REAL PROPERTY (LAND)

Z1PD MAINTENANCE OF WASTE TREATMENT AND STORAGE FACILITIES

Z1PZ MAINTENANCE OF OTHER NON-BUILDING FACILITIES

Z1QA MAINTENANCE OF RESTORATION OF REAL PROPERTY (PUBLIC OR PRIVATE)

Z2 MAINT, ALTER, REPAIR NONBUILDINGS

Z2AA REPAIR OR ALTERATION OF OFFICE BUILDINGS

Z2AB REPAIR OR ALTERATION OF CONFERENCE SPACE AND FACILITIES

Z2AZ REPAIR OR ALTERATION OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS

Z2BA REPAIR OR ALTERATION OF AIR TRAFFIC CONTROL TOWERS

Z2BB REPAIR OR ALTERATION OF AIR TRAFFIC CONTROL TRAINING FACILITIES

Z2BC REPAIR OR ALTERATION OF RADAR AND NAVIGATIONAL FACILITIES

Z2BD REPAIR OR ALTERATION OF AIRPORT RUNWAYS AND TAXIWAYS

Z2BE REPAIR OR ALTERATION OF AIRPORT TERMINALS

Z2BF REPAIR OR ALTERATION OF MISSILE SYSTEM FACILITIES

Z2BG REPAIR OR ALTERATION OF ELECTRONIC AND COMMUNICATIONS FACILITIES

Z2BZ REPAIR OR ALTERATION OF OTHER AIRFIELD STRUCTURES

Z2CA REPAIR OR ALTERATION OF SCHOOLS

Z2CZ REPAIR OR ALTERATION OF OTHER EDUCATIONAL BUILDINGS

Z2DA REPAIR OR ALTERATION OF HOSPITALS AND INFIRMARIES

Z2DB REPAIR OR ALTERATION OF LABORATORIES AND CLINICS

Z2DZ REPAIR OR ALTERATION OF OTHER HOSPITAL BUILDINGS

Z2EA REPAIR OR ALTERATION OF AMMUNITION FACILITIES

Z2EB REPAIR OR ALTERATION OF MAINTENANCE BUILDINGS

Z2EC REPAIR OR ALTERATION OF PRODUCTION BUILDINGS

Z2ED REPAIR OR ALTERATION OF SHIP CONSTRUCTION AND REPAIR FACILITIES

Z2EE REPAIR OR ALTERATION OF TANK AUTOMOTIVE FACILITIES

Z2EZ REPAIR OR ALTERATION OF OTHER INDUSTRIAL BUILDINGS

Z2FA REPAIR OR ALTERATION OF FAMILY HOUSING FACILITIES

Z2FB REPAIR OR ALTERATION OF RECREATIONAL BUILDINGS

Z2FC REPAIR OR ALTERATION OF TROOP HOUSING FACILITIES

Z2FD REPAIR OR ALTERATION OF DINING FACILITIES

Z2FE REPAIR OR ALTERATION OF RELIGIOUS FACILITIES

Z2FF REPAIR OR ALTERATION OF PENAL FACILITIES

Z2FZ REPAIR OR ALTERATION OF OTHER RESIDENTIAL BUILDINGS

Z2GA REPAIR OR ALTERATION OF AMMUNITION STORAGE BUILDINGS

Z2GB REPAIR OR ALTERATION OF FOOD OR GRAIN STORAGE BUILDINGS

Z2GC REPAIR OR ALTERATION OF FUEL STORAGE BUILDINGS

Z2GD REPAIR OR ALTERATION OF OPEN STORAGE FACILITIES

Z2GZ REPAIR OR ALTERATION OF OTHER WAREHOUSE BUILDINGS