SEC industry — SIC 3661
Telephone & Telegraph Apparatus
5 company profiles in this industry within our current collection. Classification is reported by the SEC; this is not a complete industry census.
| Company | CIK | Incorporated in | Industry (SIC) |
|---|---|---|---|
| CIENA CORPCIEN | 0000936395 | Maryland | Telephone & Telegraph Apparatus |
| Clearfield, Inc.CLFD | 0000796505 | Minnesota | Telephone & Telegraph Apparatus |
| CLEARONE INCCLRO | 0000840715 | Delaware | Telephone & Telegraph Apparatus |
| DNA X, Inc.SONM | 0001178697 | Delaware | Telephone & Telegraph Apparatus |
| FRANKLIN WIRELESS CORPFKWL | 0000722572 | Nevada | Telephone & Telegraph Apparatus |