| 334290 |
Traffic advisory and signalling systems manufacturing |
| 334290 |
Traffic signals manufacturing |
| 334290 |
Video-based stadium displays manufacturing |
| 334310 |
Amplifiers (e.g., auto, home, musical instrument, public address) manufacturing |
| 334310 |
Automobile radio receivers manufacturing |
| 334310 |
Camcorders manufacturing |
| 334310 |
Car stereos manufacturing |
| 334310 |
Clock radios manufacturing |
| 334310 |
Coin- or card-operated jukebox manufacturing |
| 334310 |
Compact disc players (e.g., automotive, household-type) manufacturing |