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
$770.787 B
0.8% of all US-listed value
Companies
15
Ranked #27 of 152 industries
Average
$51.386 B
Mean market cap per company
| # | Name | Market cap | Close | Session | Country |
|---|---|---|---|---|---|
| 1 | Cisco SystemsCSCO | $462.8B | $117.39 | -0.47% | United States |
| 2 | Arista NetworksANET | $272.2B | $215.83 | +0.22% | United States |
| 3 | F5FFIV | $26.4B | $466.65 | -0.67% | United States |
| 4 | Extreme NetworksEXTR | $3.25B | $24.60 | +0.24% | United States |
| 5 | Digi InternationalDGII | $2.85B | $75.21 | +1.72% | United States |
| 6 | A10 NetworksATEN | $2.07B | $28.51 | -0.24% | United States |
| 7 | AllotALLT | $397.7M | $8.13 | -2.52% | Israel |
| 8 | SilicomSILC | $344.6M | $59.95 | -2.76% | Israel |
| 9 | LantronixLTRX | $338.0M | $7.21 | -1.64% | United States |
| 10 | Bos Better Online SolutionsBOSC | $32.4M | $4.59 | -1.29% | Israel |
| 11 | Foxx DevelopmentFOXX | $17.6M | $2.49 | -0.40% | United States |
| 12 | IntrusionINTZ | $17.2M | $0.70 | -1.37% | United States |
| 13 | Wearable DevicesWLDS | $4.49M | $1.39 | -0.71% | Israel |
| 14 | Tianci InternationalCIIT | $2.32M | $2.39 | +3.67% | Hong Kong |
| 15 | Hub Cyber SecurityHUBC | $1.26M | $0.95 | -9.94% | Israel |
All 15 companies. One row per company, with secondary share classes folded into their primary listing. Updated 9 Oct 2026.
Sectors computer communications equipment companies sit in
Other industries
Semiconductors 100Computer Software: Programming Data Processing 77Computer Software: Prepackaged Software 234Computer Manufacturing 10Biotechnology: Pharmaceutical Preparations 500Major Banks 245Industrial Machinery/Components 212Catalog/Specialty Distribution 30Business Services 92Commercial Banks 35Auto Manufacturing 29Integrated oil Companies 16Oil & Gas Production 116Investment Bankers/Brokers/Service 68Real Estate Investment Trusts 175Department/Specialty Retail Stores 13Telecommunications Equipment 84Electronic Components 21Beverages (Production/Distribution) 36Electric Utilities: Central 61Finance: Consumer Services 165Consumer Electronics/Appliances 23Biotechnology: Biological Products (No Diagnostic Substances) 160Medical Specialities 44All industries โ
Figures come from SEC filings and daily market prices. Companies listed only outside the US are not covered: see methodology.