> 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/621999/texas/ # NAICS 621999 companies in Texas Companies with NAICS code 621999 (All Other Miscellaneous Ambulatory Health Care Services) headquartered in Texas, with their cities, sizes and SIC codes. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** The biggest NAICS 621999 companies in Texas by headcount range include Legacy Health, Getixhealth and Cantex. NAICS 621999 is the code for All Other Miscellaneous Ambulatory Health Care Services. Among those counted, they are mostly very small: 68% have 50 or fewer employees. ## Which NAICS 621999 companies are in Texas? The biggest by headcount range include Legacy Health, Getixhealth, Cantex, Nutex Health and Baymark Health Services. NAICS 621999 is the code for All Other Miscellaneous Ambulatory Health Care Services. Names link to a company profile where we have one. | Company | City | Employees | | --- | --- | --- | | Legacy Health | Dallas | 1,001 to 5,000 | | Getixhealth | Sugar Land | 1,001 to 5,000 | | Cantex | Carrollton | 1,001 to 5,000 | | Nutex Health | Houston | 1,001 to 5,000 | | Baymark Health Services | Lewisville | 1,001 to 5,000 | | Catapult Health | Dallas | 501 to 1,000 | | Mission Regional Medical Center | Mission | 501 to 1,000 | | Emergence Health Network | El Paso | 501 to 1,000 | | Jet Health | Fort Worth | 501 to 1,000 | | Complete Care | Southlake | 501 to 1,000 | | Axiom Medical | The Woodlands | 201 to 500 | | At Home Healthcare | Tyler | 201 to 500 | | Giving Home Health Care | Austin | 201 to 500 | | Cole Health | Spring | 201 to 500 | | Vital Heart & Vein | Humble | 201 to 500 | | Summus Healthcare | Lewisville | 201 to 500 | | Strive Health Services | Georgetown | 201 to 500 | | Ally Medical | Austin | 201 to 500 | | Ppg Health, Pa | Fort Worth | 201 to 500 | | Avatar Healthcare | Richardson | 201 to 500 | | Iris Telehealth | Austin | 51 to 200 | | Right Medical Billing | Richmond | 51 to 200 | | Evexias Health Solutions | Southlake | 51 to 200 | | Lightning Step Technologies | Houston | 51 to 200 | | Diabetes America | Houston | 51 to 200 | 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. ## Which cities in Texas? Within Texas, Houston (15%), Dallas (9%) and Austin (8%) are the most common headquarters. **Figure: Cities of NAICS 621999 companies in Texas.** Bars for the share of counted NAICS 621999 companies in Texas headquartered in each city: Houston 15%, Dallas 9%, Austin 8%, San Antonio 7%, Frisco 4%, Fort Worth 3%, McKinney 3%, Plano 3%. *Share of counted NAICS 621999 companies in Texas by headquarters city.* ## How big are they? 68% of the NAICS 621999 companies counted in Texas 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 NAICS 621999 companies in Texas.** Seven columns for the share of counted NAICS 621999 companies in Texas in each employee range: 11 to 50 68%, 51 to 200 17%, 201 to 500 8%, 501 to 1,000 4%, 1,001 to 5,000 4%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted NAICS 621999 companies in Texas in each employee range.* ## How old are they? Most were founded in the 2010s (60%), then the 2000s (21%). **Figure: When NAICS 621999 companies in Texas were founded.** Eight columns for the share of counted NAICS 621999 companies in Texas founded in each era: Before 1960 2%, 1960s 1%, 1970s 1%, 1980s 2%, 1990s 7%, 2000s 21%, 2010s 60%, 2020s 7%. *Share of counted NAICS 621999 companies in Texas by the era they were founded in, for the ones that list a founding year.* ## How do you reach the people at these Texas companies? The people to talk to are usually operations, IT and finance leaders. Build the list 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 621999 in Texas ``` ### 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 621999 in Texas, 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 About the code: [NAICS 621999: All Other Miscellaneous Ambulatory Health Care Services](https://enrich.chat/naics/621999/). About the place: [companies in Texas](https://enrich.chat/companies-in/texas/). NAICS 621999 in other states: [California](https://enrich.chat/naics/621999/california/)[Florida](https://enrich.chat/naics/621999/florida/)[Illinois](https://enrich.chat/naics/621999/illinois/)[Colorado](https://enrich.chat/naics/621999/colorado/)[Arizona](https://enrich.chat/naics/621999/arizona/) Other NAICS codes in Texas: [NAICS 541511: Custom Computer Programming Services](https://enrich.chat/naics/541511/texas/)[NAICS 541512: Computer Systems Design Services](https://enrich.chat/naics/541512/texas/)[NAICS 238220: Plumbing, Heating, and Air-Conditioning](https://enrich.chat/naics/238220/texas/)[NAICS 621111: Offices of Physicians](https://enrich.chat/naics/621111/texas/)[NAICS 722511: Full-Service Restaurants](https://enrich.chat/naics/722511/texas/)[NAICS 531210: Offices of Real Estate Agents](https://enrich.chat/naics/531210/texas/)[NAICS 236115: New Single-Family Housing Construction](https://enrich.chat/naics/236115/texas/)[NAICS 236220: Commercial and Institutional Building](https://enrich.chat/naics/236220/texas/)[NAICS 541110: Offices of Lawyers](https://enrich.chat/naics/541110/texas/)[NAICS 524210: Insurance Agencies and Brokerages](https://enrich.chat/naics/524210/texas/) ## Frequently asked questions ### Which NAICS 621999 companies are in Texas? The biggest by headcount range include Legacy Health, Getixhealth, Cantex, Nutex Health and Baymark Health Services. The page lists 25 with links to their profiles where we have them. ### What is NAICS 621999? NAICS 621999 is the code for All Other Miscellaneous Ambulatory Health Care Services, in sector 62: Health Care and Social Assistance. ### Which cities in Texas have the most? Houston (15%), Dallas (9%) and Austin (8%) lead among the companies counted. ## Try this prompt Find the people at NAICS 621999 companies in Texas ```text Use www.enrich.chat to find the operations, IT and finance leaders at companies with NAICS code 621999 in Texas, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [NAICS 621999 in California](https://enrich.chat/naics/621999/california/) - [NAICS 621999 in Florida](https://enrich.chat/naics/621999/florida/) - [NAICS 621999 in Illinois](https://enrich.chat/naics/621999/illinois/) - [NAICS 621999 in Colorado](https://enrich.chat/naics/621999/colorado/) - [NAICS 541511 in Texas](https://enrich.chat/naics/541511/texas/) - [NAICS 541512 in Texas](https://enrich.chat/naics/541512/texas/) - [NAICS 238220 in Texas](https://enrich.chat/naics/238220/texas/) - [NAICS 621111 in Texas](https://enrich.chat/naics/621111/texas/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)