# NAICS 5616: Investigation and Security Services

No SBA size standard is recorded for NAICS 5616.

| Field | Value |
| --- | --- |
| Code | 5616 |
| Title | Investigation and Security Services |
| Level | 4 |
| Parent | 561 |
| Size standard | - |
| Footnote | - |

## Description

This industry group comprises establishments primarily engaged in one of the following: (1) investigation, guard, and armored car services; (2) selling security systems, such as burglar and fire alarms and locking devices, along with installation, repair, or monitoring services; or (3) remote monitoring of electronic security alarm systems.

## Sources

- Census NAICS: https://www.census.gov/naics/
- SBA size standards: https://www.sba.gov/document/support-table-size-standards

## API and MCP

- REST: GET https://samgovapi.io/api/v1/naics/5616/size-standard?revenue_usd=...
- MCP tools: naics_lookup, size_standard_check

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