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Companies using ESI eSIP 50E

As of 14 October 2026, Firmable tracks 6 companies across 11 countries running ESI eSIP 50E. See who they are, and who to call.

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Companies using ESI eSIP 50E

Showing 5 of 6 companies

Acentek

acentek.net · Internet services and web portals · 51–250 employees

Last seen 12 Oct 2026 The most recent date Firmable detected ESI eSIP 50E at this company.

Decision makers · 15 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Chief Operating Officer MobileEmail
Network Operations Supervisor MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

No signals recorded

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Xfinity Communities

xfinity.com · Entertainment · 1,001–5,000 employees

Last seen 12 Oct 2026 The most recent date Firmable detected ESI eSIP 50E at this company.

Decision makers · 301 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Director Quality & Implementation MobileEmail
Retail Store Manager MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

Hiring: Project Manager 4, Project Management · 14 Aug 2026

Xfinity Home Security Limited opens new location in Fort Myers, Florida, United States, Northern America, Americas. · 28 Sep 2026

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Southwest Metalsmiths, Inc.

swmetalsmiths.com · Construction · 11–50 employees

Last seen 13 Oct 2026 The most recent date Firmable detected ESI eSIP 50E at this company.

Decision makers · 11 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Chief Operating Officer MobileEmail
Project Manager MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

No signals recorded

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Web Fire Communications Inc

wf.net · Business support services · 51–250 employees

Last seen 12 Oct 2026 The most recent date Firmable detected ESI eSIP 50E at this company.

Decision makers · 5 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Director of Operations MobileEmail
MSP Manager MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

No signals recorded

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CenturyLink

centurylink.com · Internet services and web portals · 10,001+ employees

Last seen 28 Sep 2026 The most recent date Firmable detected ESI eSIP 50E at this company.

Decision makers · 2.9K+ on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Regional Vice President - Project Management MobileEmail
Director, Marketing Operations MobileEmail

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Signals Recent events at this company, such as a leadership change, funding or a new office.

No signals recorded

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Who uses ESI eSIP 50E

A breakdown of the 6 companies running ESI eSIP 50E.

Top industries

Information technology and services2
Art, sports and recreation1
Construction and building1
Professional and business services1
Resources, energy and utilities1

Company size

11–501 (20%)
51–2502 (40%)
1,001–5,0001 (20%)
10,001+1 (20%)

Share of companies with a recorded size, by employees.

No size recorded: 1

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Frequently asked questions

About the ESI eSIP 50E data on this page.

How many companies use ESI eSIP 50E?

Firmable holds confirmed ESI eSIP 50E detections for 6 distinct companies, 6 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.

Which companies use ESI eSIP 50E?

Acentek, Web Fire Communications Inc and Xfinity Communities are among the most prominent in the current set.

What industries use ESI eSIP 50E?

Information technology and services, art, sports and recreation and construction and building lead the set, across 7 industries in total.

What size companies use ESI eSIP 50E?

Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.

Where are ESI eSIP 50E users based?

The United States, Australia, Canada and Indonesia account for most detections, across 11 countries.

How current is this data?

6 companies were confirmed in the last 90 days. Last detection 13 October 2026.

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