NAICS 5 Digit Industry 56161

Industry 56161

NAICS 5  Digit Industry 56161 – Investigation, Guard, and Armored Car Services

Definition of NAICS 5 Digit Industry 56161: This industry comprises establishments primarily engaged in providing one or more of the following:

  1. Investigation and detective services;
  2. Guard and patrol services; and
  3. Picking up and delivering money, receipts, or other valuable items with personnel and equipment to protect such properties while in transit.
  • 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 Code 56161

What are some examples of this industry classification? The bulleted items below are illustrative examples of this 5-digit NAICS industry.

  • Armored car services
  • Private detective services
  • Bodyguard services
  • Security guard services
  • Polygraph services

Cross-References for NAICS Code 56161

What codes are similar to this industry that might be more applicable? The cross-reference guide below displays the codes that are similar to industry 56161. Please review to find the most applicable classification.

  • Providing credit checks–are classified in Industry 56145, Credit Bureaus; and
  • Selling, installing, monitoring, and maintaining security systems and devices (e.g., burglar and fire alarm systems)–are classified in Industry 56162, Security Systems Services.

Other Index Entries for NAICS 5-Digit Industry 56161

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 industry 56161. These index entries further elaborate on the scope of applicable industries that have already been defined at the top of this page.

  • Armored car services
  • Body guard services
  • Detective agencies
  • Fingerprint services
  • Guard dog services
  • Guard services
  • Investigation services (except credit), private
  • Investigators, private
  • Lie detection services
  • Missing person tracing services
  • Parking security services
  • Patrol services, security
  • Personal protection services (except security systems services)
  • Polygraph services
  • Private detective services
  • Private investigation services (except credit)
  • Property protection services (except armored car, security systems)
  • Protection services (except armored car, security systems), personal or property
  • Protective guard services
  • Security guard services
  • Security patrol services
  • Skip tracing services
Industry 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 (Where you are now), and the most specific is the 6 digit NAICS code. 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 (Current Page)
          • 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

View the download page for the material below.

NAICS 5 Digit Industry 56161 | Class Codes