NAICS Code 561611

NAICS 561611

NAICS Code 561611 – Investigation Services

Definition of NAICS Code 561611: This U.S. industry comprises establishments primarily engaged in providing investigation and detective services.

  • You can also download your own copy of the complete 2017 NAICS Classification Manual. The NAICS Manual is updated every five years. The 2017 copy will be applicable until a new edition is produced in 2022.

Illustrative Examples of NAICS 561611

What are some examples of this code? The bulleted items below are illustrative examples of this classification.

  • Fingerprinting services
  • Private detective services
  • Polygraph services
  • Private investigative services

Cross Reference Guide for Code 561611

What codes are similar to this classification that might be a more applicable code? The cross-reference guide below displays the codes for other similar industries. Please review to find the most applicable classification.

  • Establishments primarily engaged in providing credit checks are classified in Industry NAICS 561450, Credit Bureaus.

Other Index Entries for NAICS 561611

The North American Industry Classification System contains multiple index entries that are each descriptive of the same code. The bulleted list below shows all applicable index entries (Current and former) that are associated with this classification. These index entries further elaborate on the scope of applicable industries that have already been defined at the top of this page.

  • 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
Suggested Insurance Conversion Table for NAICS Code 561611

Looking for an insurance classification other than the North American Industry Classification System? If a company falls within the industry defined on this page, then the class codes mentioned below may be applicable. Please note that the bulleted cross-reference guide below is not authoritative. Users should have an insurance professional review to ensure proper insurance classification.

  • NCCI WC (Varies by state): 7720NAICS 561611
  • CA WC: 7721
  • DE WC: 904
  • PA WC: 904
  • MI WC: 7720
  • NJ WC: 7723
  • NY WC: 7723
  • WY WC: 561611
  • GL: 91636
  • SIC: 7381

Resources: Praxiom, AceGroupTDICalifornia Division of Workers Compensation, Delaware Workers Compensation Manual, Pennsylvania Workers Compensation Manual, Michigan Workers’ Compensation Placement Facility: Classification Definitions, New Jersey Workers Compensation and Employers Liability Insurance Manual, New York Workers Compensation and Employers Liability, North American Industry Classification System, Florida Underwriting Guide: Commercial General Liability Classifications,  Standard Industrial Classifications.

The suggested cross reference guide for NAICS code 561611 is based on our research using the resources cited above.

Correlating Code Breakdown for North American Industry Classification System

NAICS codes are broken down by digit. The broadest description starts with the 2 digit sector codes. The 3 digit subsector codes are more specific, then the 4 digit industry group, 5 digit industry, and the most specific is the 6 digit NAICS code (Where you are now). If the code on this page does not describe the industry of the business in question, then select the largest applicable code below. From there, follow through the progression of smaller digits to the larger digits in order to obtain the most specific 6 digit classification.

  • Sector 56: Administrative and Support and Waste Management and Remediation Services
  • Subsector 561: Administrative and Support Services
  • Industry Group 5616: Investigation and Security Services
  • Industry 56161: Investigation, Guard, and Armored Car Services
  • 6 Digit Code(s) NAICS 561611: Investigation Services
  • 6 Digit Code(s) NAICS 561612: Security Guards and Patrol Services
  • 6 Digit Code(s) NAICS 561613: Armored Car Services
Other helpful NAICS Downloads

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NAICS Code 561611