> 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/621111/texas/ # NAICS 621111 companies in Texas Companies with NAICS code 621111 (Offices of Physicians (Except Mental Health Specialists)) headquartered in Texas, with their cities, sizes and SIC codes. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** The biggest NAICS 621111 companies in Texas by headcount range include Seton Healthcare Family, Jps Health Network and Texas Oncology. NAICS 621111 is the code for Offices of Physicians (Except Mental Health Specialists). Among those counted, they are mostly very small: 69% have 50 or fewer employees. ## Which NAICS 621111 companies are in Texas? The biggest by headcount range include Seton Healthcare Family, Jps Health Network, Texas Oncology, Sonic Healthcare Usa and Kelsey-Seybold Clinic. NAICS 621111 is the code for Offices of Physicians (Except Mental Health Specialists). Names link to a company profile where we have one. | Company | City | Employees | | --- | --- | --- | | Seton Healthcare Family | Austin | 10,001+ | | Jps Health Network | Fort Worth | 5,001 to 10,000 | | Texas Oncology | Dallas | 5,001 to 10,000 | | Sonic Healthcare Usa | Dallas | 5,001 to 10,000 | | Kelsey-Seybold Clinic | Pearland | 1,001 to 5,000 | | U.S. Dermatology Partners | Dallas | 1,001 to 5,000 | | Solis Mammography | Addison | 1,001 to 5,000 | | Driscoll Children's Hospital | Corpus Christi | 1,001 to 5,000 | | Northstar Anesthesia | Irving | 1,001 to 5,000 | | South Texas Health System | Edinburg | 1,001 to 5,000 | | Austin Regional Clinic Arc | Austin | 1,001 to 5,000 | | Usmd | Irving | 1,001 to 5,000 | | Epiphany Dermatology | Austin | 1,001 to 5,000 | | Touchstone Medical Imaging | Dallas | 501 to 1,000 | | Advanced Pain Care | Round Rock | 501 to 1,000 | | Propath | Dallas | 501 to 1,000 | | Blue Cloud Pediatric Surgery Centers | The Woodlands | 501 to 1,000 | | Trisun Healthcare | Austin | 501 to 1,000 | | Urology Clinics Of North Texas, PLLC | Dallas | 201 to 500 | | Spine Team Texas | Southlake | 201 to 500 | | Healthcare Associates Of Texas | Irving | 201 to 500 | | Allergy & Ent Associates | Houston | 201 to 500 | | Orthotexas Physicians & Surgeons, PLLC | Carrollton | 201 to 500 | | Physicians Premier | Corpus Christi | 201 to 500 | | Gateway Community Health Center | Laredo | 201 to 500 | 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, Dallas (12%), Houston (10%) and Austin (10%) are the most common headquarters. **Figure: Cities of NAICS 621111 companies in Texas.** Bars for the share of counted NAICS 621111 companies in Texas headquartered in each city: Dallas 12%, Houston 10%, Austin 10%, Fort Worth 5%, San Antonio 5%, Plano 4%, Irving 3%, Round Rock 2%. *Share of counted NAICS 621111 companies in Texas by headquarters city.* ## How big are they? 69% of the NAICS 621111 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 621111 companies in Texas.** Seven columns for the share of counted NAICS 621111 companies in Texas in each employee range: 11 to 50 69%, 51 to 200 19%, 201 to 500 4%, 501 to 1,000 2%, 1,001 to 5,000 4%, 5,001 to 10,000 1%, 10,001+ 0%. *Share of counted NAICS 621111 companies in Texas in each employee range.* ## How old are they? Most were founded in the 2010s (49%), then the 2000s (26%). **Figure: When NAICS 621111 companies in Texas were founded.** Eight columns for the share of counted NAICS 621111 companies in Texas founded in each era: Before 1960 2%, 1960s 1%, 1970s 1%, 1980s 5%, 1990s 13%, 2000s 26%, 2010s 49%, 2020s 3%. *Share of counted NAICS 621111 companies in Texas by the era they were founded in, for the ones that list a founding year.* ## How Texas compares with the rest of the country - 52% were founded in 2010 or later, against 33% across NAICS 621111 companies nationwide. ## 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 621111 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 621111 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 621111: Offices of Physicians (Except Mental Health Specialists)](https://enrich.chat/naics/621111/). About the place: [companies in Texas](https://enrich.chat/companies-in/texas/). NAICS 621111 in other states: [California](https://enrich.chat/naics/621111/california/)[Florida](https://enrich.chat/naics/621111/florida/)[New York](https://enrich.chat/naics/621111/new-york/)[Georgia](https://enrich.chat/naics/621111/georgia/)[Illinois](https://enrich.chat/naics/621111/illinois/)[Tennessee](https://enrich.chat/naics/621111/tennessee/)[New Jersey](https://enrich.chat/naics/621111/new-jersey/)[Ohio](https://enrich.chat/naics/621111/ohio/)[Arizona](https://enrich.chat/naics/621111/arizona/)[Massachusetts](https://enrich.chat/naics/621111/massachusetts/) 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 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/)[NAICS 541613: Marketing Consulting Services](https://enrich.chat/naics/541613/texas/) ## Frequently asked questions ### Which NAICS 621111 companies are in Texas? The biggest by headcount range include Seton Healthcare Family, Jps Health Network, Texas Oncology, Sonic Healthcare Usa and Kelsey-Seybold Clinic. The page lists 25 with links to their profiles where we have them. ### What is NAICS 621111? NAICS 621111 is the code for Offices of Physicians (Except Mental Health Specialists), in sector 62: Health Care and Social Assistance. ### Which cities in Texas have the most? Dallas (12%), Houston (10%) and Austin (10%) lead among the companies counted. ## Try this prompt Find the people at NAICS 621111 companies in Texas ```text Use www.enrich.chat to find the operations, IT and finance leaders at companies with NAICS code 621111 in Texas, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [NAICS 621111 in California](https://enrich.chat/naics/621111/california/) - [NAICS 621111 in Florida](https://enrich.chat/naics/621111/florida/) - [NAICS 621111 in New York](https://enrich.chat/naics/621111/new-york/) - [NAICS 621111 in Georgia](https://enrich.chat/naics/621111/georgia/) - [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 722511 in Texas](https://enrich.chat/naics/722511/texas/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)