NAICS code 561611: Investigation and Personal Background Check Services
This U.S. industry comprises establishments primarily engaged in providing investigation, detective, and personal background check services.
- SBA small-business size limit
- $25.0M
Is your company small for 561611?
The SBA limit is $25 million average annual receipts.
What 561611 covers
Included
- Fingerprint services
- Private detective services
- Polygraph services
- Private investigative services (except credit)
Use another code for
- Establishments primarily engaged in providing credit checks are classified in Industry 561450, Credit Bureaus
Activities listed under 561611
- Background check services
- Bounty hunting services
- Detective agencies
- Fingerprint services
- Investigation services (except credit), private
- Investigators, private
- Lie detection services
- Missing person tracing services
- Polygraph services
- Private detective services
- Private investigation services (except credit)
- Skip tracing services
Questions
What is NAICS code 561611?
NAICS 561611 is “Investigation and Personal Background Check Services”. This U.S. industry comprises establishments primarily engaged in providing investigation, detective, and personal background check services.
What businesses use NAICS code 561611?
Examples from the U.S. Census Bureau: Fingerprint services; Private detective services; Polygraph services; and Private investigative services (except credit).
What is not included in NAICS 561611?
Businesses mainly establishments primarily engaged in providing credit checks are classified in Industry 561450, Credit Bureaus.
What is the SBA size standard for NAICS 561611?
$25 million average annual receipts (average of the last five fiscal years), including affiliates. Source: 13 CFR 121.201, effective March 17, 2023.
What is the SIC code for NAICS 561611?
SIC 7381 (Detective, Guard, and Armored Car Services, part), from the U.S. Census Bureau concordances (1987 SIC → 2002 NAICS, carried to 2022 NAICS).
What is the IRS business code for NAICS 561611?
561600 (Investigation & security services) on Schedule C, line B, from the IRS list of principal business codes. The IRS code covers NAICS 561611–561622.
How do I find government contracts for NAICS 561611?
Federal agencies put a NAICS code on each solicitation in SAM.gov, and some states and cities use NAICS codes too. Add 561611 to your SAM.gov registration and to your bid alerts; PublicBeam emails new bids for the codes you choose every morning.
Source: U.S. Census Bureau, 2022 NAICS (public domain). PublicBeam is independent and not affiliated with the Census Bureau or any agency. Always check the NAICS code in the official notice before you bid.