| 334519 |
Nuclear instrument modules manufacturing |
| 334519 |
Physical properties testing and inspection equipment manufacturing |
| 334519 |
Pitometers manufacturing |
| 334519 |
Polygraph machines manufacturing |
| 334519 |
Pressure and vacuum indicators, aircraft engine, manufacturing |
| 334519 |
Pressure transducers manufacturing |
| 334519 |
Pulse analyzers, nuclear monitoring, manufacturing |
| 334519 |
Pyrheliometers manufacturing |
| 334519 |
RADIAC (radioactivity detection, identification, and computation) equipment manufacturing |
| 334519 |
Radiation detection and monitoring instruments manufacturing |