What departments does Estech Systems, Inc. (ESI) have?

Estech Systems, Inc. (ESI) has employees across 9 departments including Entrepreneurship, Marketing, Information Technology, Customer Success, Sales.

What is the largest department at Estech Systems, Inc. (ESI)?

The largest department at Estech Systems, Inc. (ESI) is Customer Success with 3 employees.

Where are Estech Systems, Inc. (ESI) employees located globally?

Estech Systems, Inc. (ESI) has employees across 5 continents and 5 countries including Cameroon, Iran, Poland, United States Of America, Brazil.

How has Estech Systems, Inc. (ESI)'s team size changed over time?

Estech Systems, Inc. (ESI)'s team has decreased from approximately 120 to 117 employees based on available data.

Estech Systems, Inc. (ESI) Employee Directory

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.

Estech Systems, Inc. (ESI) Global Highlights

North America
175

United States Of America
175

Africa
1

Cameroon
1

Asia
1

Iran
1

Europe
1

Poland
1

South America
1

Brazil
1

Estech Systems, Inc. (ESI)'s Leadership

D. B.
Chief Executive Officer
Mobile Phone
Email
J. L.
Owner
Mobile Phone
Email
E. L.
Senior Vice President
Mobile Phone
Email
C. G.
Director Of Marketing
Mobile Phone
Email
J. H.
Director - Information Technology
Mobile Phone
Email
R. D.
Managing Director
Mobile Phone
Email
S. M.
Director - Information Technology
Mobile Phone
Email
M. A.
Regional Account Manager
Mobile Phone
Email

Estech Systems, Inc. (ESI) Employee Metrics

100%

50%

0%

2026

2025

Engineering
Accounting
Support
Program & Project Management
Product Management
Other
Business Development

Contact profiles from Estech Systems, Inc. (ESI)

Name

Title

Contact Info

Location

Last Update

E. T.
Principal
Mobile Phone
Email
Oct 17, 2024
B. A.
Sales Business Development
Mobile Phone
Email
May 11, 2026
H. B.
Customer Success Specialist
Mobile Phone
Email
Oct 26, 2025
F. S.
Qa Automation Tester
Mobile Phone
Email
Jul 07, 2026
S. B.
Product Demo Specialist
Mobile Phone
Email
Aug 01, 2026
A. B.
Technician
Mobile Phone
Email
Mar 20, 2024
B. R.
Q.C
Mobile Phone
Email
Oct 21, 2024
B. R.
Voip Cloud Technical Engineer-Technician
Mobile Phone
Email
Oct 16, 2024
B. M.
Carrier Division
Mobile Phone
Email
Oct 17, 2024
G. H.
Estech Systems Inc
Mobile Phone
Email
Oct 23, 2024

Frequently Asked Questions

What is Estech Systems, Inc. (ESI) known for?

Estech Systems, Inc. (ESI) was founded in 1987 operates in the Telecommunications industry; you can contact the main corporate office by phone at

+1-972-422-****

. Explore Estech Systems, Inc. (ESI)'s company overview page for more information.

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

Estech Systems, Inc. (ESI) employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Estech Systems, Inc. (ESI) email formats with LeadIQ.

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

Estech Systems, Inc. (ESI) has approximately 150 employees as of July 2026. These team members are located across 5 continents, including North AmericaAfricaAsia.

Who are Estech Systems, Inc. (ESI)'s key employees and leadership?

As of July 2026, Estech Systems, Inc. (ESI)'s key employees include:

Chief Executive Officer: D. B.
Owner: J. L.
Senior Vice President: E. L.
Director Of Marketing: C. G.
Director - Information Technology: J. H.

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Estech Systems, Inc. (ESI) Employee Directory

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