Security Systems Services (Except Locksmiths)
Key Figures
Figures are published for NAICS 561621 directly.
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Official definition
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.
Source: US Census Bureau, 2017 NAICS Definitions. Public domain.
Which code does this activity belong in?
Security systems services establishments that focus on alarm systems, such as burglar and fire alarms, along with their installation, repair, or monitoring are classified here. Establishments primarily engaged in selling or servicing mechanical or electronic locking devices, safes, and security vaults are classified in Locksmiths. The distinguishing factor is whether the core business involves alarm systems technology or locking mechanisms and secure storage devices.