Characterization of 177 Dose Calibrators Tested
| Manufacturer | No. of models | No. of units |
| Biodex | 4 | 24 |
| Capintec | 19 | 127 |
| Empos Ltd. | 1 | 1 |
| Medisystem | 1 | 2 |
| MIE Medical Imaging Electronics GmbH | 1 | 1 |
| Nuclear Associates | 1 | 1 |
| Nuklear Medizintechnik | 4 | 9 |
| PTW Freiburg GmbH | 3 | 6 |
| Radcal | 1 | 1 |
| Syncor | 1 | 1 |
| Veenstra | 3 | 4 |