> 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/621210/ # NAICS code 621210: Offices of Dentists The companies classified under NAICS 621210, 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 621210 is the code for Offices of Dentists, in sector 62: Health Care and Social Assistance. The companies counted under it are mostly very small: 87% have 50 or fewer employees, and 91% are headquartered in the United States. ## What is NAICS 621210? NAICS 621210 is the code for Offices of Dentists. It belongs to sector 62: Health Care and Social Assistance. 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 8021, Dentist's office, in the older SIC system (97%). - 87% of the companies counted have 50 or fewer employees, and the middle one is in the 11 to 50 range. - The largest group is headquartered in the United States (91%). Within the US, Texas is the biggest state (11%). - Most were founded in the 2010s (40%), then the 2000s (23%). **Figure: How NAICS 621210 is built.** The code 621210 split into its parts: sector 62, then subsector, industry group, NAICS industry and U.S. industry. *The six digits of NAICS 621210. Each digit narrows the category.* ## Which companies are classified under NAICS 621210? The biggest by headcount range include Heartland Dental, Circle Health Group, Smile Brands, Mb2 Dental and 123dentist. Names link to a company profile where we have one. | Company | Headquarters | Employees | | --- | --- | --- | | Heartland Dental | Effingham, IL | 10,001+ | | Smile Brands | Costa Mesa, CA | 5,001 to 10,000 | | Mb2 Dental | Carrollton, TX | 5,001 to 10,000 | | 123dentist | Burnaby, Canada | 5,001 to 10,000 | | Firsthealth Of The Carolinas | Pinehurst, NC | 5,001 to 10,000 | | Clove Dental | New Delhi, India | 1,001 to 5,000 | | Clearchoice Dental Implant Centers | Greenwood Village, CO | 1,001 to 5,000 | | Dental Care Alliance | Sarasota, FL | 1,001 to 5,000 | | Deca Dental Group | Dallas, TX | 1,001 to 5,000 | | Great Expressions Dental Centers | Southfield, MI | 1,001 to 5,000 | | Benevis | Atlanta, GA | 1,001 to 5,000 | | Specialty Dental Brands | Nashville, TN | 1,001 to 5,000 | | Imagen Dental Partners | Scottsdale, AZ | 1,001 to 5,000 | | Sage Dental | Boca Raton, FL | 1,001 to 5,000 | | Smile Doctors | Dallas, TX | 1,001 to 5,000 | | 42 North Dental | Waltham, MA | 1,001 to 5,000 | | Interdent Service | Inglewood, CA | 1,001 to 5,000 | | Smile Partners Usa | Troy, MI | 1,001 to 5,000 | | Coast Dental | Tampa, FL | 501 to 1,000 | | Orthosynetics | Metairie, LA | 501 to 1,000 | | Mint Dentistry | Dallas, TX | 501 to 1,000 | | Altima Dental Canada | Kingston, Canada | 501 to 1,000 | | Colosseum Dental Uk | Crawley, United Kingdom | 501 to 1,000 | | Dental Depot | Oklahoma City, OK | 501 to 1,000 | | Peak Dental Services | Colorado Springs, CO | 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 621210 companies based? The largest groups are headquartered in the United States (91%), the United Kingdom (6%) and Canada (2%). **Figure: Where companies in NAICS 621210 are based.** Bars for the share of counted companies in NAICS 621210 headquartered in each country: United States 91%, United Kingdom 6%, Canada 2%. *Share of counted companies in NAICS 621210 by headquarters country.* Within the United States, Texas (11%), California (11%) and New York (5%) lead. **Figure: US headquarters of companies in NAICS 621210, by state.** A tile map of the United States shaded by the share of counted US companies in NAICS 621210 headquartered in each state. The largest are Texas 11%, California 11%, New York 5%. *Share of counted US companies in NAICS 621210 by headquarters state. The three largest states are outlined.* ## How big are the companies counted for NAICS 621210? 87% of them have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. **Figure: Size of companies in NAICS 621210.** Seven columns for the share of counted companies in NAICS 621210 in each employee range: 11 to 50 87%, 51 to 200 8%, 201 to 500 2%, 501 to 1,000 2%, 1,001 to 5,000 1%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted companies in NAICS 621210 in each employee range.* ## How old are NAICS 621210 companies? Most were founded in the 2010s (40%), then the 2000s (23%). **Figure: When companies in NAICS 621210 were founded.** Eight columns for the share of counted companies in NAICS 621210 founded in each era: Before 1960 2%, 1960s 3%, 1970s 6%, 1980s 10%, 1990s 15%, 2000s 23%, 2010s 40%, 2020s 2%. *Share of counted companies in NAICS 621210 by the era they were founded in, for the ones that list a founding year.* ## How NAICS 621210 compares - 87% of companies in NAICS 621210 have 50 or fewer employees, against 60% across all NAICS codes on this site. - 42% were founded in 2010 or later, against 30% across all NAICS codes on this site. ## How do NAICS 621210 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 Medical Practices (63%), Hospitals and Health Care (21%) and Wellness and Fitness Services (8%). **Figure: How companies in NAICS 621210 describe themselves.** Bars for the share of counted companies in NAICS 621210 that give each industry on their public profile: Medical Practices 63%, Hospitals and Health Care 21%, Wellness and Fitness Services 8%, Dentists 5%. *Share of counted companies in NAICS 621210 by the industry they list on their public profile.* ## NAICS 621210 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 8021 | Dentist's office | 97% | | [SIC 8011](https://enrich.chat/naics/621111/) | Medical doctor's office | 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 621210 companies? The people to talk to are usually operations, IT 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 621210 (Offices of Dentists) ``` ### 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, IT and finance leaders at companies with NAICS code 621210, 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 Others in sector 62: [NAICS 621111: Offices of Physicians](https://enrich.chat/naics/621111/)[NAICS 621999: All Other Miscellaneous Ambulatory Health](https://enrich.chat/naics/621999/)[NAICS 621610: Home Health Care Services](https://enrich.chat/naics/621610/)[NAICS 621498: All Other Outpatient Care Centers](https://enrich.chat/naics/621498/)[NAICS 622110: General Medical and Surgical Hospitals](https://enrich.chat/naics/622110/)[NAICS 621340: Offices of Physical, Occupational and Speech](https://enrich.chat/naics/621340/)[NAICS 623990: Other Residential Care Facilities](https://enrich.chat/naics/623990/)[NAICS 621310: Offices of Chiropractors](https://enrich.chat/naics/621310/) NAICS 621210 by state: [California](https://enrich.chat/naics/621210/california/)[Texas](https://enrich.chat/naics/621210/texas/) ## Frequently asked questions ### What is NAICS code 621210? NAICS 621210 is the code for Offices of Dentists, in sector 62: Health Care and Social Assistance. ### What is the SIC code for NAICS 621210 (Offices of Dentists)? 97% of the companies counted carry SIC 8021 (Dentist's office), but the two systems do not map one to one. ### Which companies are classified under NAICS 621210? The biggest by headcount range include Heartland Dental, Circle Health Group, Smile Brands, Mb2 Dental and 123dentist. The page lists 25 with links to their profiles where we have them. ### Where are NAICS 621210 companies based? The largest groups are headquartered in the United States (91%), the United Kingdom (6%) and Canada (2%). ### How big are the companies in NAICS 621210? 87% have 50 or fewer employees, and the middle one is in the 11 to 50 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 621210 companies ```text Use www.enrich.chat to find the operations, IT and finance leaders at companies with NAICS code 621210, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [NAICS 621210 in California](https://enrich.chat/naics/621210/california/) - [NAICS 621210 in Texas](https://enrich.chat/naics/621210/texas/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)