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Companies using Mitel 3300 PBX Smtpd

As of 14 October 2026, Firmable tracks 7 companies across 9 countries running Mitel 3300 PBX Smtpd. See who they are, and who to call.

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Companies using Mitel 3300 PBX Smtpd

Showing 5 of 7 companies

Xfinity Communities

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

Last seen 21 Sep 2026 The most recent date Firmable detected Mitel 3300 PBX Smtpd at this company.

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

Network Maintenance Supervisor MobileEmail
Technical Operations Supervisor MobileEmail

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

Hiring: Technical Program Manager, Partner Delivery · 13 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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Hargray Communications

hargray.com · Construction · 501–1,000 employees

Last seen 14 Oct 2026 The most recent date Firmable detected Mitel 3300 PBX Smtpd at this company.

Decision makers · 147 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

VP Information Technology MobileEmail
Head Engineer 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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Sohu.com

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

Last seen 28 Sep 2026 The most recent date Firmable detected Mitel 3300 PBX Smtpd at this company.

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

public manager MobileEmail
Executive Manager Economic Email

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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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FirstLight Fiber

firstlight.net · Telecommunications services · 501–1,000 employees

Last seen 6 Oct 2026 The most recent date Firmable detected Mitel 3300 PBX Smtpd at this company.

Decision makers · 124 on file Senior people on file at this company. Firmable holds their names, emails and mobiles.

Director of Network Assurance MobileEmail
Vice President, Network Operations Center & Network Assurance MobileEmail

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

FirstLight integrated with Netcracker Technology on Sep 23rd '26. · 23 Sep 2026

FirstLight partnered with VETRO, Inc. on Aug 12th '26. · 12 Aug 2026

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Sina Com Technology (China) Co. LTD

sina.com.cn · Internet services and web portals · 1,001–5,000 employees

Last seen 28 Sep 2026 The most recent date Firmable detected Mitel 3300 PBX Smtpd at this company.

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

U.S. Bureau Chief Email
director Email

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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 Mitel 3300 PBX Smtpd

A breakdown of the 7 companies running Mitel 3300 PBX Smtpd.

Top industries

Information technology and services3
Media and telecommunications2
Art, sports and recreation1
Construction and building1

Company size

251–5001 (17%)
501–1,0002 (33%)
1,001–5,0002 (33%)
10,001+1 (17%)

Share of companies with a recorded size, by employees.

No size recorded: 1

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Frequently asked questions

About the Mitel 3300 PBX Smtpd data on this page.

How many companies use Mitel 3300 PBX Smtpd?

Firmable holds confirmed Mitel 3300 PBX Smtpd detections for 7 distinct companies, 7 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.

Which companies use Mitel 3300 PBX Smtpd?

Xfinity Communities, Hargray Communications and FirstLight Fiber are among the most prominent in the current set.

What industries use Mitel 3300 PBX Smtpd?

Information technology and services, media and telecommunications and art, sports and recreation lead the set, across 5 industries in total.

What size companies use Mitel 3300 PBX Smtpd?

Adoption concentrates in the 501-1,000 employee band, across the companies whose size is recorded.

Where are Mitel 3300 PBX Smtpd users based?

The United States, Australia, Canada and Hong Kong account for most detections, across 9 countries.

How current is this data?

7 companies were confirmed in the last 90 days. Last detection 14 October 2026.

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