Insights

Growing Business Focus Estech Systems targets expanding companies, offering high-performance cloud and on-premises VoIP solutions that cater to evolving communication needs, creating opportunities for mid-sized organizations seeking scalable telephony systems.

Innovative Mobile Solutions The launch of the ESI ePhoneGO mobile application demonstrates ESI's emphasis on mobile workforce connectivity, ideal for businesses looking to modernize communication tools and improve remote collaboration.

Strategic Partnerships Recent collaboration with Mole Street to streamline billing and revenue management indicates potential cross-selling opportunities for integrated software solutions and enhanced customer relationship management services.

Intellectual Property Challenges Legal disputes involving patent infringement claims from Cisco suggest a focus on safeguarding proprietary technology, highlighting the importance of offering distinct, legally compliant product features to potential clients.

Market Differentiation With a competitive revenue range amid industry giants like Cisco and RingCentral, ESI can leverage its integrated, intuitive product offerings to attract businesses seeking flexible, user-friendly telecommunication solutions tailored for growth.

Estech Systems, Inc. (ESI) Tech Stack

Estech Systems, Inc. (ESI) uses 8 technology products and services including Calendly, Envoy, iOS, and more. Explore Estech Systems, Inc. (ESI)'s tech stack below.

  • Calendly
    Appointment Scheduling
  • Envoy
    Load Balancers
  • iOS
    Programming Languages
  • HSTS
    Security
  • Google Tag Manager
    Tag Management
  • X-Content-Type-Options
    Web & Portal Technology
  • Twitter
    Widgets
  • Max Mega Menu
    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

Where is Estech Systems, Inc. (ESI)'s headquarters located?

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Estech Systems, Inc. (ESI)'s main headquarters is located at 3701 East Plano Parkway Plano, Texas 75074 United States. The company has employees across 5 continents, including North AmericaAfricaAsia.

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.

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 February 2026, Estech Systems, Inc. (ESI) has approximately 148 employees across 5 continents, including North AmericaAfricaAsia. Key team members include Chief Financial Officer: E. V.Chief Operating Officer: J. S.Vice President Business Development: B. H.. 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 CalendlyEnvoyiOSHSTSGoogle Tag ManagerX-Content-Type-OptionsTwitterMax Mega Menu.

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)

TelecommunicationsTexas, United States51-200 Employees

Founded in 1987, Estech Systems, Inc. (ESI) delivers high-performance phone systems designed for growing businesses. As a premier provider of cloud and on-premises VoIP and Access Control solutions, ESI offers innovative, intuitive, and uniquely integrated products that deliver value to our customers and partners.

ESI is a privately held corporation with headquarters in Plano, Texas. For more information about ESI and its products, visit www.esi-estech.com.

Are you a law firm looking for a cloud-based communications solution? Visit our Cloud Phones for Lawyers at www.esi-legal.com.

Section iconCompany Overview

Headquarters
3701 East Plano Parkway Plano, Texas 75074 United States
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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