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
$748.283 B
0.7% of all US-listed value
Companies
15
Ranked #29 of 152 industries
Average
$49.886 B
Mean market cap per company
| # | Name | Market cap | Close | Session | Country |
|---|---|---|---|---|---|
| 1 | Cisco SystemsCSCO | $478.6B | $121.43 | +0.46% | United States |
| 2 | Arista NetworksANET | $238.0B | $188.67 | -1.90% | United States |
| 3 | F5FFIV | $22.6B | $400.23 | -3.11% | United States |
| 4 | Extreme NetworksEXTR | $3.13B | $23.97 | -1.44% | United States |
| 5 | Digi InternationalDGII | $3.10B | $81.70 | -1.58% | United States |
| 6 | A10 NetworksATEN | $1.93B | $26.84 | -2.75% | United States |
| 7 | AllotALLT | $382.6M | $7.82 | +2.76% | Israel |
| 8 | SilicomSILC | $241.9M | $42.09 | +1.37% | Israel |
| 9 | LantronixLTRX | $237.7M | $5.97 | +2.40% | United States |
| 10 | Bos Better Online SolutionsBOSC | $31.2M | $4.42 | -2.43% | Israel |
| 11 | Hub Cyber SecurityHUBC | $29.7M | $0.89 | -8.60% | Israel |
| 12 | Foxx DevelopmentFOXX | $18.3M | $2.60 | +4.00% | United States |
| 13 | IntrusionINTZ | $17.3M | $0.76 | -0.16% | United States |
| 14 | Wearable DevicesWLDS | $9.17M | $4.19 | -1.18% | Israel |
| 15 | Tianci InternationalCIIT | $3.51M | $3.63 | -3.46% | Hong Kong |
All 15 companies. One row per company — secondary share classes are folded into their primary listing. Updated 9 Aug 2026.
Sectors computer communications equipment companies sit in
Other industries
Semiconductors 100Computer Software: Programming Data Processing 77Computer Software: Prepackaged Software 232Computer Manufacturing 10Biotechnology: Pharmaceutical Preparations 501Major Banks 245Industrial Machinery/Components 209Catalog/Specialty Distribution 30Business Services 93Commercial Banks 35Auto Manufacturing 29Integrated oil Companies 18Investment Bankers/Brokers/Service 68Real Estate Investment Trusts 179Department/Specialty Retail Stores 14Oil & Gas Production 116Telecommunications Equipment 82Beverages (Production/Distribution) 35Electronic Components 21Finance: Consumer Services 163Electric Utilities: Central 59Consumer Electronics/Appliances 23Natural Gas Distribution 29Medical Specialities 44All industries →
Figures come from SEC filings and daily market prices. Companies listed only outside the US are not covered — see methodology.