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    ← Back to NAICS AI Search

    5616 - Investigation and Security Services

    In today’s fast-paced and security-conscious world, businesses and individuals alike rely heavily on professional investigation and security services to protect assets, ensure safety, and mitigate risks. The NAICS code 5616 plays a critical role in categorizing this important sector. Whether you’re a government contractor, business owner, or industry observer, understanding what falls under NAICS 5616 is essential for compliance, bidding, and market analysis.


    What is NAICS Code 5616?

    NAICS Code 5616 represents the industry group titled Investigation and Security Services. This classification includes establishments primarily engaged in offering investigative and security services tailored to various client needs. Key services under this code include:

    • Private investigations
    • Security guard services
    • Armored car services
    • Security systems installation and monitoring

    Sector Overview: Administrative and Support and Waste Management and Remediation Services

    NAICS 5616 is a subset of the broader Administrative and Support and Waste Management and Remediation Services sector (NAICS 56). This sector encompasses services that support general business operations and public safety, including investigations and security functions.


    Typical Business Activities Within NAICS 5616

    Businesses classified under NAICS 5616 typically engage in:

    • Conducting background checks and surveillance
    • Providing armed and unarmed security personnel for facilities and events
    • Transporting valuables via armored vehicles
    • Installing, monitoring, and maintaining security alarm and surveillance systems

    Examples of typical business types:

    • Private Investigation Agencies: Specializing in investigative work for individuals, corporations, and law firms
    • Security Guard Services: Offering on-site security personnel for retail, commercial, and residential properties
    • Armored Car Services: Secure cash and valuables transportation

    NAICS Code 5616 Size Standards for Eligibility

    For small business size standards, the North American Industry Classification System (NAICS) defines the following thresholds under NAICS 5616:

    NAICS Code Industry Title Size Standard (Employees) Size Standard (Average Annual Receipts)
    561611 Investigation Services 1,250 employees $30 million
    561612 Security Guards and Patrol Services 1,250 employees $30 million
    561613 Armored Car Services 1,250 employees $30 million
    561621 Security Systems Services (except Locksmiths) 1,000 employees $30 million
    561622 Locksmiths 1,000 employees $30 million

    Note: The size standards can vary based on contract requirements and SBA guidelines.


    Full NAICS 5616 Code Details Table

    NAICS Code Title Description
    561611 Investigation Services Private investigation services including background checks, surveillance, and infidelity investigations
    561612 Security Guards and Patrol Services Provision of on-site guard and patrol services
    561613 Armored Car Services Secure transportation of cash and valuables
    561621 Security Systems Services (except Locksmiths) Installation and monitoring of security alarm systems and CCTV systems
    561622 Locksmiths Services related to locks, such as installation and repair

    Frequently Asked Questions (FAQs)

    What types of businesses fall under NAICS 5616?

    Businesses such as private investigation firms, security guard companies, armored car services, and security system installers are all classified under NAICS 5616.

    What sector does NAICS 5616 belong to?

    NAICS 5616 is part of the Administrative and Support and Waste Management and Remediation Services sector.

    How do I know if a business qualifies as a small business under NAICS 5616?

    Small business eligibility depends on employee count or average annual receipts, generally capped at 1,000 to 1,250 employees or $30 million in annual receipts, depending on specific sub-industry.

    Are both armed and unarmed security services included?

    Yes, NAICS 5616 covers both armed and unarmed security guard services.

    Can government contractors use NAICS 5616 when bidding?

    Absolutely. Many government contracts for security and investigation services reference NAICS 5616 for qualification and compliance.


    Conclusion

    Understanding NAICS Code 5616 – Investigation and Security Services is crucial for businesses operating in or contracting with the security and investigation sector. This NAICS code covers a wide range of critical services, from private investigations to armored car transport, all essential for safety and security across industries. Whether for business classification, government contracting, or marketing, knowing the specific details, size standards, and typical activities of NAICS 5616 helps position your business for success.


    Keywords: NAICS code 5616, investigation and security services, private investigation, security guard services, armored car services, security systems, administrative support services, government contracting security services, NAICS size standards.

    View Active Opportunities for NAICS 5616

    See current federal, state, and local government contracts using this NAICS code.

    Browse 5616 Opportunities →
    ← Back to NAICS Browser

    Explore More NAICS Codes:

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    • 42374 - Refrigeration Equipment and Supplies Merchant Wholesalers
    • 333613 - Mechanical Power Transmission Equipment Manufacturing
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