88768076
Jan 21, 2020
HEATING, VENTILATION, AND AIR CONDITIONING (HVAC) EQUIPMENT, NAMELY, AIR HANDLERS, COILS, AND FAN-COIL UNITS AS PART OF HYDRONIC HEATING AND COOLING INSTALLATIONS IN MULTI-UNIT BUILDINGS, AND FANS FOR HYDRONIC HEATING, VENTILATION, AND AIR CONDITIONING UNITS, ALL FOR CLIMATIZATION OF MULTI-UNIT BUILDINGS
Environmental Control ApparatusHEATING, VENTILATION, AND AIR CONDITIONING (HVAC) SYSTEM INSTALLATION SERVICES IN THE FIELD OF HYDRONIC HVAC SYSTEMS IN MULTI-UNIT BUILDINGS
Building Construction and RepairHEATING, VENTILATION, AND AIR CONDITIONING (HVAC) SYSTEM ENGINEERING SERVICES IN THE FIELD OF HYDRONIC HVAC SYSTEMS IN MULTI-UNIT BUILDINGS; HEATING, VENTILATION, AND AIR CONDITIONING (HVAC) SYSTEM DESIGN SERVICES IN THE FIELD OF HYDRONIC HVAC SYSTEMS IN MULTI-UNIT BUILDINGS
Computer and Scientific