Verified Nov 2026
Electronics & Software
·
Sunnyvale, California
·
Since 1997
Chelsio Communications is a technology company headquartered in Sunnyvale, California, founded in 1997. It designs high-performance Ethernet adapters and custom ASICs that offload TCP, iSCSI, and iWARP protocols for networking and storage in virtualized data centers and cloud environments. The company employs roughly 100 to 200 people, with estimated revenue of $10 to $50 million, is privately held, and serves the electronics, data center, and industrial sectors. In July 2026 it announced 400Gb RDMA SmartNICs and an Ethernet-based AI interconnect platform for data center and storage infrastructure.
Chelsio Communications at a glance
Revenue
$10-50M
Est. band
Employees
100-200
Founded
1997
Headquarters
Sunnyvale, California
Certifications
ISO 14001
Industries
Automotive
Electric Vehicles
Electronics
Plumbing & Hardware
Renewable Energy
Industrial Equipment
STABILITY SIGNALS
Established & active
29 years in operation (founded 1997).
Holds ISO 14001 certification(s) per public sources.
Overview
Chelsio Communications is a technology company headquartered in Sunnyvale, California, founded in 1997. It designs high-performance Ethernet adapters and custom ASICs that offload TCP, iSCSI, and iWARP protocols for networking and storage in virtualized data centers and cloud environments. The company employs roughly 100 to 200 people, with estimated revenue of $10 to $50 million, is privately held, and serves the electronics, data center, and industrial sectors. In July 2026 it announced 400Gb RDMA SmartNICs and an Ethernet-based AI interconnect platform for data center and storage infrastructure.
At a glance
Attribute | Detail |
|---|---|
Founded | 1997 |
Headquarters | Sunnyvale, California |
Employees | 100-200 |
Revenue | $10-50M (estimated) |
Primary capability | Electronics & Software |
Certifications | ISO 14001 |
What Chelsio Communications makes
Its product line includes Unified Wire Ethernet network adapters, custom networking and storage ASICs, and SmartNIC/DPU hardware, and it holds ISO 14001 certification.
Products and capabilities described on the company's own site include Electronics (source: chelsio.com).
Certifications
Chelsio Communications is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 14001 — chelsio.com
Latest developments
2026-07-20 — Chelsio launches 400Gb RDMA SmartNICs; T7 DPU in eval, production 2026 - The Data Center Engineer (thedatacenterengineer.com)
2026-07-17 — Chelsio unveils Ethernet-based AI interconnect platform for data centres (datacenter-intelligence.com)
2026-07-16 — CHELSIO LAUNCHES AI INTERCONNECT PLATFORM WITH 400Gb RDMA FOR NEXT-GENERATION DATA CENTER, STORAGE, AND AI INFRASTRUCTURE (prnewswire.com)
2026-07-16 — Chelsio Expands with 400Gb RDMA SmartNICs and DPUs - Converge Digest (convergedigest.com)
2026-02-11 — Chelsio Communications Assigned Two Patents - StorageNewsletter (storagenewsletter.com)
2025-08-05 — CHELSIO ANNOUNCES BROAD SAMPLING OF T7 DPU PLATFORM (prnewswire.com)
Facilities
Chelsio Communications is headquartered in Sunnyvale, California. Public sources also reference these locations:
Sunnyvale, California — linkedin.com
Company details
The company is privately held, with an estimated revenue band of $10 to $50 million, and was assigned two patents in February 2026. Chelsio Communications was founded in 1997, has an estimated 100-200 employees, and is headquartered in Sunnyvale, California. On the LightSource stability read it is rated "Established & active": 29 years in operation (founded 1997). Holds ISO 14001 certification(s) per public sources.
Frequently asked questions
What does Chelsio Communications make?
Chelsio Communications is a technology company headquartered in Sunnyvale, California, founded in 1997. It designs high-performance Ethernet adapters and custom ASICs that offload TCP, iSCSI, and iWARP protocols for networking and storage in virtualized data centers and cloud environments. The company employs roughly 100 to 200 people, with estimated revenue of $10 to $50 million, is privately held, and serves the electronics, data center, and industrial sectors. In July 2026 it announced 400Gb RDMA SmartNICs and an Ethernet-based AI interconnect platform for data center and storage infrastructure.
Where is Chelsio Communications headquartered?
Chelsio Communications is headquartered in Sunnyvale, California (209 N Fair Oaks Ave, Sunnyvale, California, 94085-4423).
When was Chelsio Communications founded?
Chelsio Communications was founded in 1997.
How big is Chelsio Communications?
Chelsio Communications has an estimated 100-200 employees, with revenue in the $10-50M range (estimated).
What certifications does Chelsio Communications hold?
Chelsio Communications lists ISO 14001 on its website. Confirm the certified scope for the specific plant producing your part.
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Last verified Nov 2026. Is this your company? Request a correction.
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