Classification Information
MAINTENANCE OF RESIDENTIAL AND COMMERCIAL ENTERTAINMENT, AUDIO, VISUAL, LIGHTING AND SHADE SYSTEMS; INSTALLATION AND REMOVAL OF TEMPORARY REPLACEMENT EQUIPMENT FOR RESIDENTIAL AND COMMERCIAL ENTERTAINMENT, AUDIO, VISUAL, LIGHTING AND SHADE SYSTEMS; EXCLUDING COMPUTER HARDWARE, PERIPHERALS, AND NETWORK SYSTEMS
Building Construction and RepairCALIBRATION OF RESIDENTIAL AND COMMERCIAL ENTERTAINMENT, AUDIO, VISUAL, LIGHTING AND SHADE SYSTEMS; EXCLUDING COMPUTER HARDWARE, PERIPHERALS, AND NETWORK SYSTEMS
Computer and Scientific