Insights

Acquisition opportunity Crexendo's acquisition of Estech Systems creates a pathway to scale cloud communications solutions; leverage cross-sell of integrated VoIP, cloud services, and access control to Crexendo's expanding customer base.

Revenue momentum Recent Q2 revenue of 6.9 million signals growing demand for ESI’s cloud and on-premises VoIP offerings; target mid-market firms seeking scalable communication and security solutions to fuel further upsell.

Enterprise synergy Partnerships and integrations such as the Mole Street revenue data sync with HubSpot demonstrate ESI’s commitment to seamless workflows; position as a turnkey solution for finance and operations teams migrating to cloud communications.

Security and access ESI combines VoIP with Access Control, appealing to customers prioritizing secure, unified communications; prospect organizations with hybrid work models and compliance requirements present a strong fit.

Market positioning Industry peers and comparable players operate at much larger scales; emphasize ESI’s agility, integration depth, and potential for accelerated growth under Crexendo to win mid-size businesses seeking cost-effective, scalable solutions.

Estech Systems, Inc. (ESI) Tech Stack

Estech Systems, Inc. (ESI) uses 8 technology products and services including html5media, Android, Google Tag Manager, and more. Explore Estech Systems, Inc. (ESI)'s tech stack below.

  • html5media
    Audio, Video, Graphics
  • Android
    Programming Languages
  • Google Tag Manager
    Tag Management
  • X-Content-Type-Options
    Web & Portal Technology
  • Google Analytics
    Web Analytics
  • Apache
    Web Servers
  • Nginx
    Web Servers
  • Google Plus
    Widgets

Media & News

Estech Systems, Inc. (ESI)'s Email Address Formats

Estech Systems, Inc. (ESI) uses at least 1 format(s):
Estech Systems, Inc. (ESI) Email FormatsExamplePercentage
FLast@esi-estech.comJDoe@esi-estech.com
97%
First.Last@esi-estech.comJohn.Doe@esi-estech.com
1%
Last@esi-estech.comDoe@esi-estech.com
1%
First_Last@esi-estech.comJohn_Doe@esi-estech.com
1%

Frequently Asked Questions

What is Estech Systems, Inc. (ESI)'s phone number?

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You can contact Estech Systems, Inc. (ESI)'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 Estech Systems, Inc. (ESI)'s official website and social media links?

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Estech Systems, Inc. (ESI)'s official website is esi-estech.com and has social profiles on LinkedIn.

How much revenue does Estech Systems, Inc. (ESI) generate?

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As of July 2026, Estech Systems, Inc. (ESI)'s annual revenue is estimated to be $50M - $100M.

What is Estech Systems, Inc. (ESI)'s NAICS code?

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Estech Systems, Inc. (ESI)'s NAICS code is 517 - Telecommunications.

How many employees does Estech Systems, Inc. (ESI) have currently?

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As of July 2026, Estech Systems, Inc. (ESI) has approximately 150 employees across 5 continents, including North AmericaAfricaAsia. Key team members include Chief Executive Officer: D. B.Owner: J. L.Senior Vice President: E. L.. Explore Estech Systems, Inc. (ESI)'s employee directory with LeadIQ.

What industry does Estech Systems, Inc. (ESI) belong to?

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Estech Systems, Inc. (ESI) operates in the Telecommunications industry.

What technology does Estech Systems, Inc. (ESI) use?

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Estech Systems, Inc. (ESI)'s tech stack includes html5mediaAndroidGoogle Tag ManagerX-Content-Type-OptionsGoogle AnalyticsApacheNginxGoogle Plus.

What is Estech Systems, Inc. (ESI)'s email format?

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Estech Systems, Inc. (ESI)'s email format typically follows the pattern of FLast@esi-estech.com. Find more Estech Systems, Inc. (ESI) email formats with LeadIQ.

When was Estech Systems, Inc. (ESI) founded?

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Estech Systems, Inc. (ESI) was founded in 1987.
Estech Systems, Inc. (ESI) logo

Estech Systems, Inc. (ESI)

TelecommunicationsTexas, United States51-200 Employees

Estech Systems, Inc. (ESI) is a mid-sized telecommunications provider headquartered in Plano, Texas, founded in 1987. It offers business phone systems designed to scale with growth, delivering both cloud-based and on-premises VoIP options alongside access control features. The company emphasizes integrated, intuitive solutions that pair voice communications with security capabilities for its customers and partners.

ESI serves growing organizations seeking flexible, unified communications that can be deployed in the cloud or on-site. As a Crexendo company, it operates within a broader cloud communications ecosystem. In 2024, the company partnered with Mole Street to automate data synchronization from Rev.io to HubSpot, enabling alignment of billing data with customer communications.

Section iconCompany Overview

Phone number
NAICS Code
517 - Telecommunications
Founded
1987
Employees
51-200

Section iconFunding & Financials

  • $50M - $100M

    Estech Systems, Inc. (ESI)'s revenue is estimated to be in the range of $50M - $100M

Section iconFunding & Financials

  • $50M - $100M

    Estech Systems, Inc. (ESI)'s revenue is estimated to be in the range of $50M - $100M

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