| 334210 |
Telephone carrier switching equipment manufacturing |
| 334210 |
Telephones (except cellular telephone) manufacturing |
| 334210 |
Telephones, coin- or card-operated, manufacturing |
| 334210 |
Toll switching equipment, telephone, manufacturing |
| 334210 |
Wide area network communications equipment (e.g., bridges, gateways, routers) manufacturing |
| 334220 |
Airborne radio communications equipment manufacturing |
| 334220 |
Amplifiers (e.g., RF power and IF), broadcast and studio equipment, manufacturing |
| 334220 |
Antennas, satellite, manufacturing |
| 334220 |
Antennas, transmitting and receiving, manufacturing |
| 334220 |
Automobile antennas manufacturing |