> 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/622310/ # NAICS code 622310: Specialty (Except Psychiatric and Substance Abuse) Hospitals The companies classified under NAICS 622310, 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 622310 is the code for Specialty (Except Psychiatric and Substance Abuse) Hospitals, in sector 62: Health Care and Social Assistance. The companies counted under it are mixed in size, with the middle one in the 51 to 200 range, and 69% are headquartered in the United States. ## What is NAICS 622310? NAICS 622310 is the code for Specialty (Except Psychiatric and Substance Abuse) Hospitals. 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 8069, Specialty hospital, in the older SIC system (79%). NAICS is a North American system, so companies outside the US, Canada and Mexico are placed in it by classification. - 35% 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 (69%). Within the US, Texas is the biggest state (17%). - Most were founded in the 2010s (30%), then the 2000s (22%). **Figure: How NAICS 622310 is built.** The code 622310 split into its parts: sector 62, then subsector, industry group, NAICS industry and U.S. industry. *The six digits of NAICS 622310. Each digit narrows the category.* ## Which companies are classified under NAICS 622310? The biggest by headcount range include Fortis Healthcare, Mehiläinen, Manipal Hospitals, Region Östergötland and Cook Children's Health Care System. Names link to a company profile where we have one. | Company | Headquarters | Employees | | --- | --- | --- | | [Fortis Healthcare](https://enrich.chat/company/fortis-healthcare/) | Gurgaon, India | 10,001+ | | [Mehiläinen](https://enrich.chat/company/mehil-inen/) | Helsinki, Finland | 10,001+ | | Manipal Hospitals | Bangalore, India | 10,001+ | | Region Östergötland | Linkoping, Sweden | 10,001+ | | Cook Children's Health Care System | Fort Worth, TX | 5,001 to 10,000 | | American Hospital Dubai | Dubai, United Arab Emirates | 1,001 to 5,000 | | Prinses Máxima Centrum Voor Kinderoncologie | Utrecht, Netherlands | 1,001 to 5,000 | | American Oncology Network | Fort Myers, FL | 1,001 to 5,000 | | Shepherd Center | Atlanta, GA | 1,001 to 5,000 | | Miot International | Chennai, India | 1,001 to 5,000 | | Indus Hospital | Mohali, India | 1,001 to 5,000 | | Mary Free Bed Rehabilitation Hospital | Grand Rapids, MI | 1,001 to 5,000 | | Chapters Health System | Temple Terrace, FL | 1,001 to 5,000 | | Craig Hospital | Englewood, CO | 1,001 to 5,000 | | Lääkärikeskus Aava | Helsinki, Finland | 1,001 to 5,000 | | Restorixhealth | Metairie, LA | 1,001 to 5,000 | | Freeman Health System | Joplin, MO | 1,001 to 5,000 | | Gnrc Hospitals | Grant, India | 1,001 to 5,000 | | Coronaria | Oulu, Finland | 1,001 to 5,000 | | Ernest Health | Mesquite, TX | 1,001 to 5,000 | | Masonicare | Wallingford, CT | 1,001 to 5,000 | | Centre For Sight | Delhi, India | 501 to 1,000 | | Al-Shifa Trust Eye Hospital | Rawalpindi, India | 501 to 1,000 | | Assunta Hospital | Petaling Jaya, Malaysia | 501 to 1,000 | | Suncrest Hospice | Sandy, UT | 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 622310 companies based? The largest groups are headquartered in the United States (69%), India (11%) and Germany (4%). **Figure: Where companies in NAICS 622310 are based.** Bars for the share of counted companies in NAICS 622310 headquartered in each country: United States 69%, India 11%, Germany 4%, Finland 4%, Sweden 4%. *Share of counted companies in NAICS 622310 by headquarters country.* Within the United States, Texas (17%), California (9%) and Florida (6%) lead. **Figure: US headquarters of companies in NAICS 622310, by state.** A tile map of the United States shaded by the share of counted US companies in NAICS 622310 headquartered in each state. The largest are Texas 17%, California 9%, Florida 6%. *Share of counted US companies in NAICS 622310 by headquarters state. The three largest states are outlined.* ## How big are the companies counted for NAICS 622310? 35% 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 622310.** Seven columns for the share of counted companies in NAICS 622310 in each employee range: 11 to 50 35%, 51 to 200 19%, 201 to 500 8%, 501 to 1,000 10%, 1,001 to 5,000 22%, 5,001 to 10,000 1%, 10,001+ 5%. *Share of counted companies in NAICS 622310 in each employee range.* ## How NAICS 622310 compares - 35% of companies in NAICS 622310 have 50 or fewer employees, against 60% across all NAICS codes on this site. - Texas holds 17% of the US companies here, against 8% across all NAICS codes on this site. ## NAICS 622310 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 8069 | Specialty hospital | 79% | | [SIC 8062](https://enrich.chat/naics/622110/) | General hospital | 8% | | SIC 8051 | Skilled nursing care facility | 4% | | [SIC 8011](https://enrich.chat/naics/621111/) | Medical doctor's office | 3% | | [SIC 8082](https://enrich.chat/naics/621610/) | Home health care 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 622310 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 622310 (Specialty (Except Psychiatric and Substance Abuse) Hospitals) ``` ### 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 622310, 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 621210: Offices of Dentists](https://enrich.chat/naics/621210/)[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/) ## Frequently asked questions ### What is NAICS code 622310? NAICS 622310 is the code for Specialty (Except Psychiatric and Substance Abuse) Hospitals, in sector 62: Health Care and Social Assistance. ### What is the SIC code for NAICS 622310 (Specialty (Except Psychiatric and Substance Abuse) Hospitals)? 79% of the companies counted carry SIC 8069 (Specialty hospital), but the two systems do not map one to one. ### Which companies are classified under NAICS 622310? The biggest by headcount range include Fortis Healthcare, Mehiläinen, Manipal Hospitals, Region Östergötland and Cook Children's Health Care System. The page lists 25 with links to their profiles where we have them. ### Where are NAICS 622310 companies based? The largest groups are headquartered in the United States (69%), India (11%) and Germany (4%). ### How big are the companies in NAICS 622310? 35% 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 622310 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 8069. ## Try this prompt Find the people at NAICS 622310 companies ```text Use www.enrich.chat to find the operations, IT and finance leaders at companies with NAICS code 622310, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)