Insights

Growing Cloud Adoption Estex Systems specializes in cloud-based VoIP and integrated communication solutions, indicating a strong market opportunity with growing businesses seeking scalable and flexible communication platforms.

Recent Technology Enhancements The launch of mobile applications like ESI ePhoneGO and innovative hardware such as the ESI ePhone7 showcases their focus on mobile and desktop integration, opening avenues for cross-platform communication solutions sales.

Patent Portfolio Strength Active patent infringement litigation and patent protections position ESI as a potentially valuable partner for licensing or IP-related collaborations, potentially expanding revenue streams and partnership opportunities.

Strategic Partnerships Partnerships such as with Mole Street for billing integrations signal ESI’s openness to collaborations that enhance product offerings, presenting opportunities to align with third-party vendors for joint solutions.

Market Presence and Growth With a revenue range of 50M to 100M and a focus on expanding their product suite within an competitive industry, ESI presents potential sales opportunities for resellers and channel partners aiming to tap into the SMB and enterprise markets.

Similar companies to Estech Systems, Inc. (ESI)

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 Formats	Example	Percentage
FLast@esi-estech.com	JDoe@esi-estech.com	97%
First.Last@esi-estech.com	John.Doe@esi-estech.com	1%
Last@esi-estech.com	Doe@esi-estech.com	1%
First_Last@esi-estech.com	John_Doe@esi-estech.com	1%

Frequently Asked Questions

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

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?

You can contact Estech Systems, Inc. (ESI)'s main corporate office by phone at

+1-972-422-****

. 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?

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?

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

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

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?

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

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

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?

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?

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

Estech Systems, Inc. (ESI)

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

Estech Systems, Inc. (ESI) has approximately 148 employees.

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

Estech Systems, Inc. (ESI)'s tech stack includes Twitter, HSTS, JSON-LD, ZoomInfo, Ubuntu.

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.