| Naics index | Naics index description |
|---|---|
| 621511 | Toxicology health laboratories |
| 621511 | Urinalysis laboratories |
| 621512 | CAT (computerized axial tomography) scanner centers |
| 621512 | Computer tomography (CT-SCAN) centers |
| 621512 | CT-SCAN (computer tomography) centers |
| 621512 | Dental X-ray laboratories |
| 621512 | Diagnostic imaging centers (medical) |
| 621512 | Laboratories, dental X-ray |
| 621512 | Laboratories, medical radiological or X-ray |
| 621512 | Laboratory testing services, medical radiological or X-ray |