NAICS 561621 - Security Systems Services (except Locksmiths)
What is NAICS 561621
Industry Classification for NAICS 561621
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.
Breakdown for NAICS 561621
- Includes sale, installation, repair, and monitoring of security alarm systems.
- Covers both physical and electronic security alarm services, excluding locksmiths.
- Applies to businesses providing remote monitoring of alarm systems.
- Typical projects involve commercial, residential, and government facility security.
- Small business size standard commonly applies, enabling SBA program eligibility.
- Contracts often include installation, maintenance, and ongoing monitoring services.
Included Activities for NAICS 561621
- Selling and installing burglar and fire alarm systems.
- Repairing and maintaining electronic security alarm equipment.
- Providing remote monitoring of security alarm systems.
- Integrating security alarm systems with access control and surveillance.
- Conducting regular system testing and emergency response coordination.
- Upgrading legacy alarm systems to meet current government standards.
- Training government personnel on alarm system operation and protocols.
- Performing on-site inspections and compliance assessments.
Business Types for NAICS 561621
- Security system installation companies.
- Electronic monitoring service providers.
- Security technology integrators.
- Maintenance and repair service firms.
- Small to medium-sized security contractors.
- Specialized remote monitoring operators.
Subcategories for NAICS 561621
- Alarm system monitoring services
- Alarm systems sales combined with installation, repair, or monitoring services
- Burglar alarm monitoring services
- Burglar alarm sales combined with installation, repair, or monitoring services
- Fire alarm monitoring services
- Fire alarm sales combined with installation, repair, or monitoring services
- Security alarm systems sales combined with installation, repair, or monitoring services
- Security system monitoring services
Government Buyers for NAICS 561621
Contract Types & Procurement for NAICS 561621
Details for NAICS 561621
Explore the hierarchy and related codes for this industry
| NAICS Code | Industry Title |
|---|---|
| 56162 | Security Systems Services |
| 5616 | Investigation and Security Services |
| 561 | Administrative and Support Services |
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