Insights

Strategic Growth Leverage Keysight’s expansion into photonics and embedded security testing by positioning ESI Group’s CAE and virtual prototyping capabilities as critical accelerators for photonic IC development, security verification, and end-to-end design validation.

Industrial Synergy Target high-performance industries leveraging Keysight’s recent acquisitions and partnerships (VPIphotonics, GlobalFoundries, Leonardo UK contracts) to offer integrated simulation-to-measurement workflows that reduce time-to-market and improve qualification of complex systems.

Cloud and Automation Highlight the tech stack and cloud-enabled capabilities (AWS Glue, Kubeflow, Puppet) to sell scalable CAE workflows, remote collaboration, and automated test data pipelines that align with enterprise digital transformation initiatives.

Security and Validation Position ESI Group as a cornerstone for embedded security testing and robust virtual prototyping to support customers pursuing stringent aerospace, defense, and critical infrastructure requirements demonstrated by Keysight’s security testbench innovations.

Enterprise Scale Leverage the sizable enterprise footprint and revenue scale of Keysight to pursue multi-year, multi-domain contracts with large organizations, emphasizing interoperability with existing Keysight software and the broad partner ecosystem.

ESI Group Tech Stack

ESI Group uses 8 technology products and services including Apache Kafka, Squarespace, npm, and more. Explore ESI Group's tech stack below.

  • Apache Kafka
    Big Data Processing
  • Squarespace
    Content Management System
  • npm
    Dev Tools
  • Amazon ALB
    Load Balancers
  • Zabbix
    Miscellaneous
  • FreeRTOS
    Operating Systems
  • SystemVerilog
    Programming Languages
  • Dynatrace
    System Analytics & Monitoring

Media & News

ESI Group's Email Address Formats

ESI Group uses at least 2 format(s):
ESI Group Email FormatsExamplePercentage
First.Last@esi-group.comJohn.Doe@esi-group.com
87%
First.L@esi-group.comJohn.D@esi-group.com
11%
First@esi-group.comJohn@esi-group.com
1%
First.MiddleLast@esi-group.comJohn.MichaelDoe@esi-group.com
1%
First_Last@keysight.comJohn_Doe@keysight.com
61%
First.Last@keysight.comJohn.Doe@keysight.com
36%
FLast@keysight.comJDoe@keysight.com
2%
LFirst@keysight.comDJohn@keysight.com
1%

Frequently Asked Questions

What is ESI Group's phone number?

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You can contact ESI Group's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is ESI Group's official website and social media links?

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ESI Group's official website is keysight.com and has social profiles on LinkedIn.

What is ESI Group's SIC code NAICS code?

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ESI Group's SIC code is 7372 - Prepackaged Software NAICS code is 5112 - Software Publishers.

How many employees does ESI Group have currently?

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As of July 2026, ESI Group has approximately 1.5K employees across 6 continents, including North AmericaEuropeAsia. Key team members include Ceo Asia Pacific Operations: C. S. J.Ceo, Asia Operations: C. S. J.Chief Executive Officer: T. A.. Explore ESI Group's employee directory with LeadIQ.

What industry does ESI Group belong to?

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ESI Group operates in the Software Development industry.

What technology does ESI Group use?

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ESI Group's tech stack includes Apache KafkaSquarespacenpmAmazon ALBZabbixFreeRTOSSystemVerilogDynatrace.

What is ESI Group's email format?

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ESI Group's email format typically follows the pattern of First.Last@esi-group.com. Find more ESI Group email formats with LeadIQ.

When was ESI Group founded?

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ESI Group was founded in 1973.
ESI Group logo

ESI Group

Software DevelopmentCalifornia, United States1001-5000 Employees

ESI Group operates as a business unit within Keysight Technologies, based in Santa Rosa, California. It strengthens Keysight's software suite by delivering CAE capabilities that mirror real-world behavior and by supporting lifelike virtual prototyping scenarios. The unit aims to bridge simulation and measurement to support confidence in innovation and productivity across high-performance industries.

Its customers include engineers and organizations in high-performance sectors seeking to validate and optimize designs through integrated simulation and measurement. By offering workflows that connect modeling with physical testing, it helps accelerate development and reduce risk. A recent development in the broader Keysight organization is the announced acquisition of VPIphotonics GmbH in June 2026, illustrating ongoing expansion of the software portfolio.

Section iconCompany Overview

Phone number
SIC Code
7372 - Prepackaged Software
NAICS Code
5112 - Software Publishers
Founded
1973
Employees
1001-5000

Section iconFunding & Financials

  • $1B$10B

    ESI Group's revenue is estimated to be in the range of $1B$10B

Section iconFunding & Financials

  • $1B$10B

    ESI Group's revenue is estimated to be in the range of $1B$10B

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