# NAICS 561612: Security Guards and Patrol Services

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [561612 Security Guards and Patrol Services](https://bidrover.com/naics/561612)

This U.S. industry comprises establishments primarily engaged in providing guard and patrol services, such as bodyguard, guard dog, and parking security services.

- NAICS code: 561612
- Title: Security Guards and Patrol Services
- Sector: 56 Administrative and Support and Waste Management and Remediation Services
- Subsector: 561 Administrative and Support Services
- Industry group: 5616 Investigation and Security Services
- NAICS industry: 56161 Investigation, Guard, and Armored Car Services
- SBA size standard: $29 million average annual receipts
- Open bids on BidRover: 1
- Updated: Oct 23, 2026

## Open bids (1)

- [On Site Security Services](https://bidrover.com/bids/on-site-security-services--0700ae02-7c23-4582-af9d-6de2dc732cc0) — Security & protective services · Ohio, United States · due 2026-11-13

## Frequently asked questions

### What is NAICS code 561612?

NAICS 561612 is "Security Guards and Patrol Services" in the 2022 North American Industry Classification System, in sector 56 (Administrative and Support and Waste Management and Remediation Services). This U.S. industry comprises establishments primarily engaged in providing guard and patrol services, such as bodyguard, guard dog, and parking security services.

### What is the SBA size standard for NAICS 561612?

A business is small under NAICS 561612 at or below $29 million average annual receipts, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.

### How many government bids are open under NAICS 561612?

BidRover counts 1 open bid that cite NAICS 561612 as of Oct 23, 2026, refreshed every hour from official public sources. Many state and local notices do not list a NAICS code, so search by keyword too.

### How do I get alerts for NAICS 561612 bids?

Save an alert on this page. A free account gets new matching bids by weekly email; the Team plan ($19/mo) sends daily alerts with match scores, the buyer, source link and documents.

## Related NAICS codes

- [561613 Armored Car Services](https://bidrover.com/naics/561613)
- [922120 Police Protection](https://bidrover.com/naics/922120)
- [561611 Investigation and Personal Background Check Services](https://bidrover.com/naics/561611)
- [561621 Security Systems Services (except Locksmiths)](https://bidrover.com/naics/561621)
- [561622 Locksmiths](https://bidrover.com/naics/561622)

---

Code titles and definitions: U.S. Census Bureau, North American Industry Classification System (NAICS), 2022 (https://www.census.gov/naics/). Size standards: U.S. Small Business Administration, Small Business Size Standards, 13 CFR 121.201, eCFR text current as of 2026-10-21 (https://www.ecfr.gov/current/title-13/section-121.201).

BidRover lists bids from official public sources. It is not an issuing authority; confirm the NAICS code and size standard named in each solicitation.