33421 - Telephone Apparatus Manufacturing
Top Businesses by Annual Sales for 33421 – Click for Complete Profiles:
| Ciena Corporation | Zayo Group LLC |
| Avaya Holdings Corp | Extreme Networks Inc |
| Plantronics Inc | Scientific-Atlanta LLC |
| Infinera Corporation | America Fujikura Ltd |
| Netgear Inc | Corning Optcal Cmmncations LLC |
See industry description for 334210.
NAICS Codes that fall under 33421 - Telephone Apparatus Manufacturing
| Codes | Titles | US Business Entities |
|---|---|---|
| 33421 | Telephone Apparatus Manufacturing | 1,090 |
| 334210 | Telephone Apparatus Manufacturing | 1,090 |