Estech Systems, Inc. (ESI)

esi-estech.com

telecommunications

esi-estech.com

Plano, Texas, United States

51-200 employees

50000000 revenue

LinkedIn Profile

About Estech Systems, Inc. (ESI)

ip phone systems, business phone systems, communications servers, phone system software, access card readers, multisite connectivity, mobility, hosted sip trunking, hosted fax service, hosted conferencing, cloudbased services, cloud pbx, business smartphone, enterprise communication, software publishing, industry-specific cloud solutions, ai transcriptions and sentiment analysis, video broadcast and streaming, patented technology, business phone system

Estech Systems, Inc. (ESI)'s Tech Stack

Decision Makers at Estech Systems, Inc. (ESI)

2 contacts

Brandon

Software Engineering Manager

b***@esi-estech.com Sign up to view

Paul Vazquez

Operations Engineering Manager

p***@esi-estech.com Sign up to view

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18 technologies detected · 2 decision makers · Emails available

Sales Outreach Angle

HubSpot users typically run inbound-led sales motions. Products that integrate with HubSpot (email automation, CRM enrichment, ABM platforms) are natural fits.

Estech Systems, Inc. (ESI)'s Position in the StackWho Database

• Estech Systems, Inc. (ESI) is 1 of 6,980 telecommunications companies tracked in StackWho.
• 6,918 telecommunications companies in our database have verified decision-maker emails (99% of the cohort).
• 22,781 companies in Texas are in the StackWho database.
• 862 telecommunications companies are in the 51-200 employee range (same size as Estech Systems, Inc. (ESI)).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

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

Estech Systems, Inc. (ESI) uses Gmail, Google Apps, Microsoft Office 365, Cloudflare DNS, CloudFlare Hosting, Citrix, and 12 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Estech Systems, Inc. (ESI)?

StackWho has verified email addresses for 2 decision makers at Estech Systems, Inc. (ESI). Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Estech Systems, Inc. (ESI) directly for sales, recruiting, or partnerships.

What industry is Estech Systems, Inc. (ESI) in?

Estech Systems, Inc. (ESI) operates in the telecommunications industry, headquartered in Plano, Texas, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Estech Systems, Inc. (ESI)'s contact data?

Yes. StackWho Pro members can export decision maker contact data for Estech Systems, Inc. (ESI) and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.