Communications Equipment — US sector stocks, live prices and news
Constituents · 30
- 1
Cisco SystemsCSCO$498B
- 2
Arista Networks, Inc. Common StockANET$203B
- 3
Nokia Corporation Sponsored American Depositary SharesNOK$89B
- 4
Ciena Corporation Common StockCIEN$70B
- 5
Lumentum HoldingsLITE$69B
- 6
Motorola Solutions, Inc. Common StockMSI$68B
- 7
EricssonERIC$40B
- 8
F5FFIV$23B
- 9
Applied OptoelectronicsAAOI$14B
- 10
Viavi SolutionsVIAV$13B
- 11
ViaSatVSAT$10B
- 12
InterDigitalIDCC$7B
- 13
Extreme NetworksEXTR$4B
- 14
Digi InternationalDGII$3B
- 15
Calix, Inc Common StockCALX$2B
- 16
HarmonicHLIT$2B
- 17
ADTRAN HoldingsADTN$1B
- 18
Ituran Location and ControlITRN$1B
- 19
RadwareRDWR$1B
- 20
Gilat Satellite NetworksGILT$1B
- 21
NETGEARNTGR$697M
- 22
ClearfieldCLFD$585M
- 23
Ribbon CommunicationsRBBN$538M
- 24
BK Technologies Corporation Common StockBKTI$310M
- 25
LantronixLTRX$295M
- 26
Ceragon NetworksCRNT$277M
- 27
AudioCodesAUDC$254M
- 28
SilicomSILC$253M
- 29
RadcomRDCM$249M
- 30
Aviat NetworksAVNW$247M
Latest Communications Equipment news · 3
Ciena (CIEN) backlog reaches $8.5 billion as AI-network demand acceleratesSep 13, 2026
Fortinet (FTNT) Earns IBD Pick as AI Data Centers Fuel Firewall DemandJun 26, 2026
AAOI Stock Analysis: Can Applied Optoelectronics Ride the AI Data Center Optics Boom?Jun 21, 2026About Communications Equipment
The Communications Equipment sector includes 37 listed US companies with a combined market capitalization of $1.12T. Its largest constituent is Cisco Systems (CSCO). Below are the biggest Communications Equipment stocks and the latest news across them.
What are the largest Communications Equipment stocks?
The biggest US Communications Equipment companies by market cap include Cisco Systems (CSCO), Arista Networks, Inc. Common Stock (ANET), Nokia Corporation Sponsored American Depositary Shares (NOK), Ciena Corporation Common Stock (CIEN), Lumentum Holdings (LITE). The full ranked list is shown above.
How big is the US Communications Equipment sector?
The Communications Equipment sector spans 37 listed US companies with a total market capitalization of about $1.12T.
Where can I see Communications Equipment news?
The latest stories across Communications Equipment companies are listed in the news section on this page, updated as they are published.
Live quotes update during US trading hours; the last close is shown otherwise. Market capitalization is aggregated from listed US companies and provided for information only — not investment advice.