extell.com · Business support services · 51–250 employees
Last seen 19 Aug 2026
The most recent date Firmable detected Socket.IO at this company.
Decision makers · 102 on fileSenior people on file at this company. Firmable holds their names, emails and mobiles.
Vice President of DesignMobileEmail
Vice President, DevelopmentMobileEmail
Unlock names, emails and mobiles in the trial.
Signals Recent events at this company, such as a leadership change, funding or a new office.
Extell invested into assets: condominiums in the amount of $3.8B in Manhattan, New York, United States, Northern America, Americas on Sep 25th '26. · 25 Sep 2026
Extell partnered with Reef Capital Partners LLC on Aug 13th '26. · 13 Aug 2026
A breakdown of the 54K+ companies running Socket.IO.
Top industries
Information technology and services5.4K
Professional and business services5K+
Construction and building4.3K+
Art, sports and recreation3.7K
Retail trade2.9K+
Industrial and manufacturing2.8K+
Education and training2.8K+
Transport2.7K+
No industry recorded: 10K+
Company size
1–108,740 (32%)
11–508,752 (32%)
51–2506,371 (23%)
251–5001,689 (6%)
501–1,000600 (2%)
1,001–5,000864 (3%)
5,001–10,000209 (1%)
10,001+309 (1%)
Share of companies with a recorded size, by employees.
No size recorded: 26K+
One dataset. Four ways to sell.
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Competitor displacement
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Complementary tools
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Service partners
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Market insights
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Frequently asked questions
About the Socket.IO data on this page.
How many companies use Socket.IO?
Firmable holds confirmed Socket.IO detections for 54,117 distinct companies, 11,937 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Socket.IO?
CentralReach, Impiricus and 1stDibs are among the most prominent in the current set.
What industries use Socket.IO?
Information technology and services, professional and business services and construction and building lead the set, across 19 industries in total.
What size companies use Socket.IO?
Adoption concentrates in the 11-50 employee band, across the companies whose size is recorded.
Where are Socket.IO users based?
The United States, Canada, Australia and the Philippines account for most detections, across 13 countries.
How current is this data?
11,937 companies were confirmed in the last 90 days. Last detection 14 October 2026.
