| Naics index | Naics index description |
|---|---|
| 621512 | Magnetic resonance imaging (MRI) centers |
| 621512 | Mammogram (i.e., breast imaging) centers |
| 621512 | Medical laboratories, radiological or X-ray |
| 621512 | Medical radiological laboratories |
| 621512 | Medical X-ray laboratories |
| 621512 | Mobile breast imaging centers |
| 621512 | Mobile X-ray facilities (medical) |
| 621512 | MRI (magnetic resonance imaging) centers |
| 621512 | Positron emission tomography (PET) scanner centers |
| 621512 | Radiological laboratories, medical |