NAICS Code Description



33421 - Telephone Apparatus Manufacturing

Top Businesses by Annual Sales for 33421 – Click for Complete Profiles:

Ciena CorporationZayo Group LLC
Avaya Holdings CorpExtreme Networks Inc
Plantronics IncScientific-Atlanta LLC
Infinera CorporationAmerica Fujikura Ltd
Netgear IncCorning Optcal Cmmncations LLC

See industry description for 334210.

NAICS Codes that fall under 33421 - Telephone Apparatus Manufacturing