Largest computer communications equipment companies
Every US-listed computer communications equipment company we cover, 15 of them, ranked by market capitalisation, with revenue and earnings taken from their SEC filings.
Combined market cap
$710.837 B
0.7% of all US-listed value
Companies
15
Ranked #29 of 152 industries
Average
$47.389 B
Mean market cap per company
| # | Name | Market cap | Close | Session | Country |
|---|---|---|---|---|---|
| 1 | Cisco SystemsCSCO | $419.6B | $106.43 | -0.01% | United States |
| 2 | Arista NetworksANET | $256.6B | $203.47 | -0.84% | United States |
| 3 | F5FFIV | $25.8B | $455.99 | +0.59% | United States |
| 4 | Extreme NetworksEXTR | $2.91B | $22.03 | -0.36% | United States |
| 5 | Digi InternationalDGII | $2.86B | $75.30 | +0.61% | United States |
| 6 | A10 NetworksATEN | $1.94B | $26.75 | +0.19% | United States |
| 7 | AllotALLT | $414.4M | $8.47 | +1.93% | Israel |
| 8 | LantronixLTRX | $298.9M | $6.40 | +2.40% | United States |
| 9 | SilicomSILC | $279.2M | $48.58 | -2.02% | Israel |
| 10 | Bos Better Online SolutionsBOSC | $33.3M | $4.73 | +0.00% | Israel |
| 11 | IntrusionINTZ | $18.6M | $0.76 | +1.20% | United States |
| 12 | Foxx DevelopmentFOXX | $17.4M | $2.47 | -6.08% | United States |
| 13 | Hub Cyber SecurityHUBC | $4.29M | $3.21 | -24.29% | Israel |
| 14 | Wearable DevicesWLDS | $4.03M | $1.64 | +3.80% | Israel |
| 15 | Tianci InternationalCIIT | $2.53M | $2.62 | +3.77% | Hong Kong |
All 15 companies. One row per company, with secondary share classes folded into their primary listing. Updated 24 Sept 2026.
Sectors computer communications equipment companies sit in
Other industries
Semiconductors 101Computer Software: Programming Data Processing 77Computer Software: Prepackaged Software 234Computer Manufacturing 10Biotechnology: Pharmaceutical Preparations 500Major Banks 246Industrial Machinery/Components 211Catalog/Specialty Distribution 31Business Services 93Commercial Banks 35Auto Manufacturing 29Integrated oil Companies 18Investment Bankers/Brokers/Service 68Oil & Gas Production 116Real Estate Investment Trusts 177Department/Specialty Retail Stores 14Telecommunications Equipment 82Electronic Components 21Beverages (Production/Distribution) 36Finance: Consumer Services 162Electric Utilities: Central 60Consumer Electronics/Appliances 23Biotechnology: Biological Products (No Diagnostic Substances) 160Natural Gas Distribution 29All industries โ
Figures come from SEC filings and daily market prices. Companies listed only outside the US are not covered: see methodology.