> 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/561311/ # NAICS code 561311: Employment Placement Agencies The companies classified under NAICS 561311, 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 561311 is the code for Employment Placement Agencies, in sector 56: Administrative and Support and Waste Management and Remediation Services. The companies counted under it are mostly small: 81% have 200 or fewer employees, and 47% are headquartered in the United States. ## What is NAICS 561311? NAICS 561311 is the code for Employment Placement Agencies. 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 7361, Employment agency, in the older SIC system (84%). NAICS is a North American system, so companies outside the US, Canada and Mexico are placed in it by classification. - 48% 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 (47%). Within the US, California is the biggest state (15%). - Most were founded in the 2010s (36%), then the 2000s (32%). **Figure: How NAICS 561311 is built.** The code 561311 split into its parts: sector 56, then subsector, industry group, NAICS industry and U.S. industry. *The six digits of NAICS 561311. Each digit narrows the category.* ## Which companies are classified under NAICS 561311? The biggest by headcount range include Randstad, ManpowerGroup, Modis, Experis and Aquent. Names link to a company profile where we have one. | Company | Headquarters | Employees | | --- | --- | --- | | [Randstad](https://enrich.chat/company/randstad/) | Diemen, Netherlands | 10,001+ | | [ManpowerGroup](https://enrich.chat/company/manpowergroup/) | Milwaukee, WI | 10,001+ | | [Experis](https://enrich.chat/company/experis/) | Milwaukee, WI | 10,001+ | | Aquent | Boston, MA | 10,001+ | | [Capita](https://enrich.chat/company/capita/) | London, United Kingdom | 10,001+ | | [Allegis Group](https://enrich.chat/company/allegis-group/) | Hanover, MD | 10,001+ | | 2coms Consulting | Kolkata, India | 10,001+ | | Reach Employment Services | Dubai, United Arab Emirates | 10,001+ | | Onin Staffing | Birmingham, AL | 10,001+ | | I. K. Hofmann | Nurnberg, Germany | 10,001+ | | Lobo Staffing Solutions | Mumbai, India | 10,001+ | | Manpowergroup Deutschland | Frankfurt Am Main, Germany | 10,001+ | | Harvey Nash | London, United Kingdom | 5,001 to 10,000 | | [BearingPoint](https://enrich.chat/company/bearingpoint/) | Amsterdam, Netherlands | 5,001 to 10,000 | | Aarvi Encon | Mumbai, India | 5,001 to 10,000 | | Pact Employment Services | Dubai, United Arab Emirates | 5,001 to 10,000 | | Idc Technologies | Milpitas, CA | 5,001 to 10,000 | | System One | Pittsburgh, PA | 5,001 to 10,000 | | Careerstaff Unlimited | Irving, TX | 5,001 to 10,000 | | Shearwater Health | Nashville, TN | 5,001 to 10,000 | | J & J Staffing Resources | Cherry Hill, NJ | 5,001 to 10,000 | | Lancesoft | Herndon, VA | 5,001 to 10,000 | | Hospitality Staffing Solutions | Atlanta, GA | 5,001 to 10,000 | | Premier Home Health Care Services | White Plains, NY | 5,001 to 10,000 | | Ambassador Personnel | Thomasville, GA | 5,001 to 10,000 | 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 561311 companies based? The largest groups are headquartered in the United States (47%), the United Kingdom (26%) and the Netherlands (5%). **Figure: Where companies in NAICS 561311 are based.** Bars for the share of counted companies in NAICS 561311 headquartered in each country: United States 47%, United Kingdom 26%, Netherlands 5%, Germany 4%, Canada 4%, India 3%, Australia 3%. *Share of counted companies in NAICS 561311 by headquarters country.* Within the United States, California (15%), Texas (11%) and Florida (8%) lead. **Figure: US headquarters of companies in NAICS 561311, by state.** A tile map of the United States shaded by the share of counted US companies in NAICS 561311 headquartered in each state. The largest are California 15%, Texas 11%, Florida 8%. *Share of counted US companies in NAICS 561311 by headquarters state. The three largest states are outlined.* ## How big are the companies counted for NAICS 561311? 48% 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 561311.** Seven columns for the share of counted companies in NAICS 561311 in each employee range: 11 to 50 48%, 51 to 200 33%, 201 to 500 9%, 501 to 1,000 5%, 1,001 to 5,000 4%, 5,001 to 10,000 1%, 10,001+ 1%. *Share of counted companies in NAICS 561311 in each employee range.* ## How old are NAICS 561311 companies? Most were founded in the 2010s (36%), then the 2000s (32%). **Figure: When companies in NAICS 561311 were founded.** Eight columns for the share of counted companies in NAICS 561311 founded in each era: Before 1960 1%, 1960s 1%, 1970s 2%, 1980s 7%, 1990s 16%, 2000s 32%, 2010s 36%, 2020s 4%. *Share of counted companies in NAICS 561311 by the era they were founded in, for the ones that list a founding year.* ## How NAICS 561311 compares - 48% of companies in NAICS 561311 have 50 or fewer employees, against 60% across all NAICS codes on this site. - 41% were founded in 2010 or later, against 30% across all NAICS codes on this site. ## How do NAICS 561311 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 Staffing and Recruiting (69%), Human Resources Services (10%) and IT Services and IT Consulting (7%). **Figure: How companies in NAICS 561311 describe themselves.** Bars for the share of counted companies in NAICS 561311 that give each industry on their public profile: Staffing and Recruiting 69%, Human Resources Services 10%, IT Services and IT Consulting 7%, Hospitals and Health Care 5%, Business Consulting and Services 5%. *Share of counted companies in NAICS 561311 by the industry they list on their public profile.* ## NAICS 561311 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 7361 | Employment agency | 84% | | [SIC 7363](https://enrich.chat/naics/561320/) | Help supply services | 6% | | SIC 8742 | Management consulting services | 3% | | [SIC 7379](https://enrich.chat/naics/541512/) | Computer related services | 3% | ## 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 561311 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 561311 (Employment Placement Agencies) ``` ### 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 561311, 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 561312: Executive Search Services](https://enrich.chat/naics/561312/)[NAICS 561320: Temporary Help Services](https://enrich.chat/naics/561320/)[NAICS 561330: Professional Employer Organizations](https://enrich.chat/naics/561330/) Others in sector 56: [NAICS 561510: Travel Agencies](https://enrich.chat/naics/561510/)[NAICS 561730: Landscaping Services](https://enrich.chat/naics/561730/)[NAICS 561621: Security Systems Services](https://enrich.chat/naics/561621/)[NAICS 561720: Janitorial Services](https://enrich.chat/naics/561720/)[NAICS 561710: Exterminating and Pest Control Services](https://enrich.chat/naics/561710/)[NAICS 561612: Security Guards and Patrol Services](https://enrich.chat/naics/561612/)[NAICS 561520: Tour Operators](https://enrich.chat/naics/561520/)[NAICS 562920: Materials Recovery Facilities](https://enrich.chat/naics/562920/) NAICS 561311 by state: [California](https://enrich.chat/naics/561311/california/)[Texas](https://enrich.chat/naics/561311/texas/)[Florida](https://enrich.chat/naics/561311/florida/) ## Frequently asked questions ### What is NAICS code 561311? NAICS 561311 is the code for Employment Placement Agencies, in sector 56: Administrative and Support and Waste Management and Remediation Services. ### What is the SIC code for NAICS 561311 (Employment Placement Agencies)? 84% of the companies counted carry SIC 7361 (Employment agency), but the two systems do not map one to one. ### Which companies are classified under NAICS 561311? The biggest by headcount range include Randstad, ManpowerGroup, Modis, Experis and Aquent. The page lists 25 with links to their profiles where we have them. ### Where are NAICS 561311 companies based? The largest groups are headquartered in the United States (47%), the United Kingdom (26%) and the Netherlands (5%). ### How big are the companies in NAICS 561311? 48% 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. ### Is NAICS 561311 the same as a SIC code? No. NAICS replaced SIC as the U.S. federal standard in 1997, and the two do not map one to one. The SIC code seen most among these companies is 7361. ## Try this prompt Find the people at NAICS 561311 companies ```text Use www.enrich.chat to find the operations, HR and finance leaders at companies with NAICS code 561311, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [NAICS 561312](https://enrich.chat/naics/561312/) - [NAICS 561320](https://enrich.chat/naics/561320/) - [NAICS 561330](https://enrich.chat/naics/561330/) - [NAICS 561311 in California](https://enrich.chat/naics/561311/california/) - [NAICS 561311 in Texas](https://enrich.chat/naics/561311/texas/) - [NAICS 561311 in Florida](https://enrich.chat/naics/561311/florida/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)