| 334290 |
Intercom systems and equipment manufacturing |
| 334290 |
Motion alarms (e.g., swimming pool, perimeter) manufacturing |
| 334290 |
Motion detectors, security system, manufacturing |
| 334290 |
Portable intrusion detection and signaling devices manufacturing |
| 334290 |
Railroad signaling equipment manufacturing |
| 334290 |
Remote control units (e.g., garage door, television) manufacturing |
| 334290 |
Signals (e.g., highway, pedestrian, railway, traffic) manufacturing |
| 334290 |
Sirens (e.g., air raid, industrial, marine, vehicle) manufacturing |
| 334290 |
Smoke detectors manufacturing |
| 334290 |
Theft prevention signaling devices (e.g., door entrance annunciation, holdup signaling devices, personal duress signaling devices), manufacturing |