NAICS 621340:
Offices of Physical, Occupational and Speech Therapists, and Audiologists
This industry comprises establishments of independent health practitioners primarily engaged in one of the following: (1) providing physical therapy services to patients who have impairments, functional limitations, disabilities, or changes in physical functions and health status resulting from injury, disease or other causes, or who require prevention, wellness or fitness services; (2) planning and administering educational, recreational, and social activities designed to help patients or individuals with disabilities regain physical or mental functioning or adapt to their disabilities; and (3) diagnosing and treating speech, language, or hearing problems. These practitioners operate private or group practices in their own offices (e.g., centers, clinics) or in the facilities of others, such as hospitals or HMO medical centers.
Audiologists' officesRecreational (e.g., art, dance, music) therapists' officesIndustrial therapists' offices+3 examples
Matching SIC code: 8049 Offices and Clinics of Health Practitioners, Not Elsewhere Classified
Where it sits
- 62Health Care and Social AssistanceSector
- 621Ambulatory Health Care ServicesSubsector
- 6213Offices of Other Health PractitionersIndustry group
- 62134Offices of Physical, Occupational and Speech Therapists, and AudiologistsNAICS industry
- 621340Offices of Physical, Occupational and Speech Therapists, and AudiologistsNational industry
Largest companies with NAICS 621340
Updated Nov 9, 2026| Rank | Company | Headquarters | Employees |
|---|---|---|---|
| 1 | Select Rehabilitationselectrehab.com | Glenview, US | 7.3K |
| 2 | Athleticoathletico.com | Oak Brook, US | 6.8K |
| 3 | Confluent Healthconfluenthealth.com | Louisville, US | 6.2K |
| 4 | ATI Physical Therapyatipt.com | Downers Grove, US | 5.4K |
| 5 | The Stepping Stones Group, LLCthesteppingstonesgroup.com | Boston, US | 5K |
| 6 | U.S. Physical Therapy, Inc.usph.com | Houston, US | 4.3K |
| 7 | Ivy Healthivyrehab.com | White Plains, US | 4.1K |
| 8 | PT Solutions Physical Therapyjoinptsolutions.com | Atlanta, US | 3.3K |
| 9 | HealthPro Heritagehealthpro-heritage.com | Cockeysville, US | 3.1K |
| 10 | FOX Rehabilitationfoxrehab.org | Cherry Hill Township, US | 3.1K |
Not this code?
Similar activities the Census classifies elsewhere.
- 621610Home Health Care ServicesEstablishments primarily engaged in providing skilled nursing services in the home
Questions about NAICS 621340
Which businesses use NAICS 621340?
What SIC code matches NAICS 621340?
How many companies have NAICS 621340?
Code titles, definitions, examples and SIC matches: NAICS 2022 and the Census concordances, US Census Bureau. Company counts and lists: Crustdata, companies with a website, each by its primary code, updated weekly. Employee counts are estimates.