Verified Nov 2026
Electronics & Software
·

Marlborough, Massachusetts
·
Since 1978
3Com Corporation manufactures enterprise networking products including switches, routers, wireless solutions, and security systems. Headquartered in Marlborough, Massachusetts, and founded in 1978, the company employed 5,000–10,000 people. 3Com served automotive, electronics, medical, and industrial sectors. In September 2026, Bain Capital agreed to acquire 3Com in a $2.2 billion transaction.
3Com at a glance
Revenue
34.3B
Employees
5,000-10,000
Founded
1978
Headquarters
Marlborough, Massachusetts
Ownership
Publicly traded (COMS)
Industries
Automotive
Electric Vehicles
Electronics
Medical
Plumbing & Hardware
Industrial Equipment
Overview
3Com Corporation manufactures enterprise networking products including switches, routers, wireless solutions, and security systems. Headquartered in Marlborough, Massachusetts, and founded in 1978, the company employed 5,000–10,000 people. 3Com served automotive, electronics, medical, and industrial sectors. In September 2026, Bain Capital agreed to acquire 3Com in a $2.2 billion transaction.
At a glance
Attribute | Detail |
|---|---|
Founded | 1978 |
Headquarters | Marlborough, Massachusetts |
Employees | 5,000-10,000 |
Revenue | 34.3B |
Ownership | Publicly traded (COMS) |
Primary capability | Electronics & Software |
What 3Com makes
The company specialized in enterprise networking management, IP telephony platforms, wireless LAN solutions, network security systems, and professional services for network design and implementation.
Latest developments
2026-09-28 — 3Com To Be Acquired by Bain Capital in Deal Worth $2.2 Billion - MC Press Online (mcpressonline.com)
2026-08-31 — 3com Number of Employees 2026 | Employee Count & Headcount Data | Revelio Labs (reveliolabs.com)
2026-08-27 — 3Com (wikipedia.org)
2026-07-21 — HP’s $2.7 Billion Acquisition of 3Com: A Strategic Pivot in Enterprise Networking and the Rise of Converged Infrastructure (thegadgetdigest.com)
2026-07-17 — Hewlett-Packard Acquires 3Com in $2.7 Billion Strategic Move to Expand Enterprise Networking Portfolio (thegadgetdigest.com)
2026-05-11 — HP to Acquire 3Com for $2.7 Billion - MC Press Online (mcpressonline.com)
Company details
3Com operated under subsidiary brands including H3C and TippingPoint, serving enterprise IT departments, telecommunications providers, and small businesses across education, finance, and healthcare. 3Com was founded in 1978, has an estimated 5,000-10,000 employees, and is headquartered in Marlborough, Massachusetts.
Frequently asked questions
What does 3Com make?
3Com Corporation manufactures enterprise networking products including switches, routers, wireless solutions, and security systems. Headquartered in Marlborough, Massachusetts, and founded in 1978, the company employed 5,000–10,000 people. 3Com served automotive, electronics, medical, and industrial sectors. In September 2026, Bain Capital agreed to acquire 3Com in a $2.2 billion transaction.
Where is 3Com headquartered?
3Com is headquartered in Marlborough, Massachusetts (350 Campus Drive, Marlborough, Massachusetts, 01752).
When was 3Com founded?
3Com was founded in 1978.
How big is 3Com?
3Com has an estimated 5,000-10,000 employees, with revenue in the 34.3B range.
Is 3Com publicly traded?
Publicly traded (COMS). Public financial figures are drawn from its filings.
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Last verified Nov 2026. Is this your company? Request a correction.
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