| Naics index | Naics index description |
|---|---|
| 334519 | Radioactivity detection, identification, and computation (RADIAC) equipment manufacturing |
| 334519 | Rain gauges manufacturing |
| 334519 | Rods, surveyor's, manufacturing |
| 334519 | Rules, slide, manufacturing |
| 334519 | Sample changers, nuclear radiation, manufacturing |
| 334519 | Scalers, nuclear radiation, manufacturing |
| 334519 | Scintillation detectors manufacturing |
| 334519 | Seismographs manufacturing |
| 334519 | Seismometers manufacturing |
| 334519 | Seismoscopes manufacturing |