> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/naics/561612/ # NAICS code 561612: Security Guards and Patrol Services The companies classified under NAICS 561612, where they are based, how big they are and how the code maps to SIC. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** NAICS 561612 is the code for Security Guards and Patrol Services, in sector 56: Administrative and Support and Waste Management and Remediation Services. The companies counted under it are mostly small: 78% have 200 or fewer employees, and 90% are headquartered in the United States. ## What is NAICS 561612? NAICS 561612 is the code for Security Guards and Patrol Services. It belongs to sector 56: Administrative and Support and Waste Management and Remediation Services. NAICS, the North American Industry Classification System, is the standard U.S. government agencies use to sort businesses by what they mainly do, and each digit narrows the category. Most of the companies counted also carry SIC 7381, Detective and armored car services, in the older SIC system (93%). - 42% of the companies counted have 50 or fewer employees, and the middle one is in the 51 to 200 range. - The largest group is headquartered in the United States (90%). Within the US, California is the biggest state (28%). - Most were founded in the 2010s (42%), then the 2000s (25%). **Figure: How NAICS 561612 is built.** The code 561612 split into its parts: sector 56, then subsector, industry group, NAICS industry and U.S. industry. *The six digits of NAICS 561612. Each digit narrows the category.* ## Which companies are classified under NAICS 561612? The biggest by headcount range include Securitas Security Services USA, Paladin Security Group, Innovision, Sunstates Security and Arrow Security. Names link to a company profile where we have one. | Company | Headquarters | Employees | | --- | --- | --- | | [Securitas Security Services USA](https://enrich.chat/company/securitas-security-services-usa/) | Parsippany, NJ | 10,001+ | | Paladin Security Group | Burnaby, Canada | 10,001+ | | Innovision | Gurgaon, India | 10,001+ | | Sunstates Security | Raleigh, NC | 5,001 to 10,000 | | Arrow Security | Smithtown, NY | 5,001 to 10,000 | | Walden Security | Chattanooga, TN | 5,001 to 10,000 | | Eagle Security & Personnel Service | Mumbai, India | 5,001 to 10,000 | | Paragon Security | Toronto, Canada | 1,001 to 5,000 | | Securiguard Services | Burnaby, Canada | 1,001 to 5,000 | | Securex Agencies | Nairobi, Kenya | 1,001 to 5,000 | | Global Elite Group | Garden City, NY | 1,001 to 5,000 | | Blackbird Security | Vancouver, Canada | 1,001 to 5,000 | | Andy Frain Services | Aurora, IL | 1,001 to 5,000 | | Weiser Security Services | New Orleans, LA | 1,001 to 5,000 | | United Protective Services | Dallas, TX | 1,001 to 5,000 | | Cambridge Security Services | Fort Lauderdale, FL | 1,001 to 5,000 | | Abnormal Security | San Francisco, CA | 501 to 1,000 | | Hub Enterprises | Broussard, LA | 501 to 1,000 | | Clearpath Technology | Dwarka New Delhi, India | 501 to 1,000 | | Twin City Security | Denver, CO | 501 to 1,000 | | American Guard Services | Gardena, CA | 501 to 1,000 | | Pacwest Security Services | Costa Mesa, CA | 501 to 1,000 | | Srg Security Resource Group | Regina, Canada | 501 to 1,000 | | Arms Security | Chicago, IL | 501 to 1,000 | | Top Guard | Hampton, VA | 501 to 1,000 | The table shows the 25 biggest by headcount range, with ties broken by audience size. The charts and percentages below cover every company counted for this page, not just these 25, and companies with fewer than 11 employees are not counted. Headquarters is the location on each company's public profile. ## Where are NAICS 561612 companies based? The largest groups are headquartered in the United States (90%), Canada (4%) and Brazil (2%). **Figure: Where companies in NAICS 561612 are based.** Bars for the share of counted companies in NAICS 561612 headquartered in each country: United States 90%, Canada 4%, Brazil 2%, Germany 2%, India 1%. *Share of counted companies in NAICS 561612 by headquarters country.* Within the United States, California (28%), New York (9%) and Florida (9%) lead. **Figure: US headquarters of companies in NAICS 561612, by state.** A tile map of the United States shaded by the share of counted US companies in NAICS 561612 headquartered in each state. The largest are California 28%, New York 9%, Florida 9%. *Share of counted US companies in NAICS 561612 by headquarters state. The three largest states are outlined.* ## How big are the companies counted for NAICS 561612? 42% of them have 50 or fewer employees, and the middle one is in the 51 to 200 range. Companies with fewer than 11 employees are not counted. **Figure: Size of companies in NAICS 561612.** Seven columns for the share of counted companies in NAICS 561612 in each employee range: 11 to 50 42%, 51 to 200 36%, 201 to 500 12%, 501 to 1,000 5%, 1,001 to 5,000 3%, 5,001 to 10,000 1%, 10,001+ 1%. *Share of counted companies in NAICS 561612 in each employee range.* ## How old are NAICS 561612 companies? Most were founded in the 2010s (42%), then the 2000s (25%). **Figure: When companies in NAICS 561612 were founded.** Eight columns for the share of counted companies in NAICS 561612 founded in each era: Before 1960 0%, 1960s 1%, 1970s 3%, 1980s 6%, 1990s 19%, 2000s 25%, 2010s 42%, 2020s 3%. *Share of counted companies in NAICS 561612 by the era they were founded in, for the ones that list a founding year.* ## How NAICS 561612 compares - 42% of companies in NAICS 561612 have 50 or fewer employees, against 60% across all NAICS codes on this site. - 45% were founded in 2010 or later, against 30% across all NAICS codes on this site. - California holds 28% of the US companies here, against 14% across all NAICS codes on this site. ## How do NAICS 561612 companies describe themselves? A code is assigned by classification, and a company does not choose its own, so the label a company uses for itself can differ. The most common labels here are Security and Investigations (87%), Security Guards and Patrol Services (5%) and Computer and Network Security (4%). **Figure: How companies in NAICS 561612 describe themselves.** Bars for the share of counted companies in NAICS 561612 that give each industry on their public profile: Security and Investigations 87%, Security Guards and Patrol Services 5%, Computer and Network Security 4%, IT Services and IT Consulting 4%. *Share of counted companies in NAICS 561612 by the industry they list on their public profile.* ## NAICS 561612 and the SIC system NAICS replaced SIC in 1997, but the two do not line up one to one: companies filed under one NAICS code can carry several SIC codes. These are the ones seen most. | Code | Title | Share of counted | | --- | --- | --- | | SIC 7381 | Detective and armored car services | 93% | | [SIC 7382](https://enrich.chat/naics/561621/) | Security systems services | 2% | ## Where NAICS codes come from NAICS is maintained by the U.S. Census Bureau with Canada and Mexico and revised every five years; the current edition is NAICS 2022. To check exactly what a code includes, search the [official NAICS index](https://www.census.gov/naics/) or read the Census Bureau's [guide to understanding NAICS](https://www.census.gov/programs-surveys/economic-census/year/2022/guidance/understanding-naics.html). Pick a code by what a company mostly does, not by who it sells to. ## How do you reach the people at NAICS 561612 companies? The people to talk to are usually operations, HR and finance leaders. You can build the list from this code in three prompts to your AI agent. ### 1. Count them (free) Counting who matches never uses credits. ```text Use www.enrich.chat to count the companies with NAICS code 561612 (Security Guards and Patrol Services) ``` ### 2. Find the people (5 credits per person) Name the roles you sell to. Each person returned is 5 credits, and name, title and company are included. ```text Use www.enrich.chat to find the operations, HR and finance leaders at companies with NAICS code 561612, with their titles ``` ### 3. Get their work emails (10 credits each) An email is 10 credits only when one is found. Every email comes with a status: verified, catch-all or unknown. ```text Use www.enrich.chat to find the work emails for these people and tell me which ones are verified ``` ## More to explore Codes next to it: [NAICS 561611: Investigation and Personal Background Check](https://enrich.chat/naics/561611/)[NAICS 561621: Security Systems Services](https://enrich.chat/naics/561621/)[NAICS 561622: Locksmiths](https://enrich.chat/naics/561622/) Others in sector 56: [NAICS 561311: Employment Placement Agencies](https://enrich.chat/naics/561311/)[NAICS 561510: Travel Agencies](https://enrich.chat/naics/561510/)[NAICS 561730: Landscaping Services](https://enrich.chat/naics/561730/)[NAICS 561720: Janitorial Services](https://enrich.chat/naics/561720/)[NAICS 561312: Executive Search Services](https://enrich.chat/naics/561312/)[NAICS 561320: Temporary Help Services](https://enrich.chat/naics/561320/)[NAICS 561710: Exterminating and Pest Control Services](https://enrich.chat/naics/561710/)[NAICS 561520: Tour Operators](https://enrich.chat/naics/561520/) ## Frequently asked questions ### What is NAICS code 561612? NAICS 561612 is the code for Security Guards and Patrol Services, in sector 56: Administrative and Support and Waste Management and Remediation Services. ### What is the SIC code for NAICS 561612 (Security Guards and Patrol Services)? 93% of the companies counted carry SIC 7381 (Detective and armored car services), but the two systems do not map one to one. ### Which companies are classified under NAICS 561612? The biggest by headcount range include Securitas Security Services USA, Paladin Security Group, Innovision, Sunstates Security and Arrow Security. The page lists 25 with links to their profiles where we have them. ### Where are NAICS 561612 companies based? The largest groups are headquartered in the United States (90%), Canada (4%) and Brazil (2%). ### How big are the companies in NAICS 561612? 42% have 50 or fewer employees, and the middle one is in the 51 to 200 range. Companies with fewer than 11 employees are not counted. ### How do I find a company's NAICS code? Search the official NAICS index at the U.S. Census Bureau for the code that matches what the company mostly does. Public companies in the US also list a SIC code in their SEC EDGAR profile. ## Try this prompt Find the people at NAICS 561612 companies ```text Use www.enrich.chat to find the operations, HR and finance leaders at companies with NAICS code 561612, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [NAICS 561611](https://enrich.chat/naics/561611/) - [NAICS 561621](https://enrich.chat/naics/561621/) - [NAICS 561622](https://enrich.chat/naics/561622/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)