Insights

Strategic partnerships Recent acquisitions and partnerships indicate E Source is expanding capabilities through external firms (Opinion Dynamics) and collaboration (Itineris) to strengthen program evaluation, customer insights, and CIS implementations—a cue for offering complementary services or joint value propositions.

Expansion signals Growth through acquisitions and new hires in data strategy and emerging technology suggests a mandate to scale data-driven offerings and innovative solutions for utilities, presenting opportunities to position advanced analytics, data platforms, and AI/automation services.

Large revenue base With estimated annual revenue in the mid to high hundreds of millions, E Source has budgetary capacity for comprehensive engagements, making them a prime target for enterprise-scale consulting, research subscriptions, and multi-year programs.

Sustainability focus Awards and campaigns around brand and sustainability, plus a stated mission to lead the transition to a sustainable world, point to opportunities in sustainability performance measurement, decarbonization planning, and grid optimization initiatives.

Customer-centric growth A focus on helping utilities improve customer engagement and grid reliability, combined with technology stack and regulatory-compliant practices, suggests cross-sell potential into customer experience programs, grid modernization, and regulatory readiness services.

E Source Tech Stack

E Source uses 8 technology products and services including LinkedIn Ads, Atlassian, jQuery Migrate, and more. Explore E Source's tech stack below.

  • LinkedIn Ads
    Advertising
  • Atlassian
    Application Development & Management
  • jQuery Migrate
    Javascript Libraries
  • Preact
    Javascript Libraries
  • Bash
    Operating Systems & Computing Languages
  • WordPress Block Editor
    Page Builders
  • Java 17
    Programming
  • X-Content-Type-Options
    Web & Portal Technology

Media & News

E Source's Email Address Formats

E Source uses at least 1 format(s):
E Source Email FormatsExamplePercentage
First_Last@esource.comJohn_Doe@esource.com
96%
Last@esource.comDoe@esource.com
2%
FLast@esource.comJDoe@esource.com
2%

Frequently Asked Questions

What is E Source's phone number?

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You can contact E Source'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 E Source's stock symbol?

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E Source is a publicly traded company; the company's stock symbol is CTOS.

What is E Source's official website and social media links?

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E Source's official website is esource.com and has social profiles on LinkedIn.

How much revenue does E Source generate?

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As of July 2026, E Source's annual revenue is estimated to be $500M - $1B.

What is E Source's SIC code NAICS code?

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E Source's SIC code is 7389 - Business Services, Not Elsewhere Classified NAICS code is 22 - Utilities.

How many employees does E Source have currently?

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As of July 2026, E Source has approximately 714 employees across 6 continents, including North AmericaAsiaAfrica. Key team members include Chief Executive Officer: C. G.Chief Financial Officer: J. N.Chief Strategy Officer: R. B.. Explore E Source's employee directory with LeadIQ.

What industry does E Source belong to?

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E Source operates in the Utilities industry.

What technology does E Source use?

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E Source's tech stack includes LinkedIn AdsAtlassianjQuery MigratePreactBashWordPress Block EditorJava 17X-Content-Type-Options.

What is E Source's email format?

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E Source's email format typically follows the pattern of First_Last@esource.com. Find more E Source email formats with LeadIQ.

When was E Source founded?

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E Source was founded in 1986.
E Source logo

E Source

UtilitiesTexas, United States501-1000 Employees

E Source is a utilities-focused research and consulting firm based in Houston, Texas. It serves utilities across the United States and Canada by providing evidence-based insights to anticipate challenges and guide informed decisions. By blending in-depth research with practical expertise, the company helps utilities improve customer service, optimize the grid, and strengthen operations in a resource-constrained environment.

It targets utility leaders and their organizations, addressing the pressures to do more with less while maintaining reliability. In 2026, Arizona Water Company partnered with E Source, in cooperation with Itineris, to deploy a new UMAX CIS solution.

Section iconCompany Overview

Phone number
SIC Code
7389 - Business Services, Not Elsewhere Classified
Stock Symbol
CTOS
NAICS Code
22 - Utilities
Founded
1986
Employees
501-1000

Section iconFunding & Financials

  • $500M - $1B

    E Source's revenue is estimated to be in the range of $500M - $1B

Section iconFunding & Financials

  • $500M - $1B

    E Source's revenue is estimated to be in the range of $500M - $1B

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