This U.S. industry comprises establishments primarily engaged in (1) selling security alarm systems, such as burglar and fire alarms, along with installation, repair, or monitoring services or (2) remote monitoring of electronic security alarm systems.
Selling security alarm systems for buildings, without installation, repair, or monitoring services--are classified in Sector 42, Wholesale Trade, or Sector 44-45, Retail Trade; Installing alarm systems (e.g., fire, burglar), without selling or monitoring services--are classified in Industry 238210, Electrical Contractors and Other Wiring Installation Contractors; and Retailing motor vehicle security systems, with or without installation or repair services--are classified in Industry 441330, Automotive Parts and Accessories Retailers.