Last seen 8 Oct 2026
The most recent date Firmable detected Microsoft Exchange at this company.
Decision makers · 194 on fileSenior people on file at this company. Firmable holds their names, emails and mobiles.
Lead ITS Systems EngineerMobileEmail
Vice President - Information Technology ServicesMobileEmail
Unlock names, emails and mobiles in the trial.
Signals Recent events at this company, such as a leadership change, funding or a new office.
Tampa International Airport invested into assets: air traffic control tower in the amount of $155M in Tampa, Florida, United States, Northern America, Americas on Aug 20th '26. · 20 Aug 2026
Tampa International Airport announces CLEAR+ biometric security lanes and eGates launching later this year. · 6 Aug 2026
A breakdown of the 130K+ companies running Microsoft Exchange.
Top industries
Professional and business services13K+
Information technology and services12K+
Industrial and manufacturing11K+
Financial services9.1K+
Construction and building8.8K+
Health and wellness6.1K+
Education and training4.2K+
Art, sports and recreation3.6K+
No industry recorded: 36K+
Company size
1–1015,791 (18%)
11–5020,217 (23%)
51–25025,637 (29%)
251–50011,394 (13%)
501–1,0004,841 (5%)
1,001–5,0007,422 (8%)
5,001–10,0001,497 (2%)
10,001+1,661 (2%)
Share of companies with a recorded size, by employees.
No size recorded: 42K+
Versions detected
10 versions across the confirmed companies. Counts are distinct companies seen running that version.
20033
20002
20072
5.5.2657.722
20101
5.0.2195.16001
5.5.2448.81
5.5.2654.501
5.5.2658.251
5.5.2658.31
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Frequently asked questions
About the Microsoft Exchange data on this page.
How many companies use Microsoft Exchange?
Firmable holds confirmed Microsoft Exchange detections for 130,549 distinct companies, 107,756 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Microsoft Exchange?
Cresset, Acadian Asset Management and Omni Cable, LLC are among the most prominent in the current set.
What industries use Microsoft Exchange?
Professional and business services, information technology and services and industrial and manufacturing lead the set, across 19 industries in total.
What size companies use Microsoft Exchange?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Microsoft Exchange users based?
The United States, Australia, Canada and Indonesia account for most detections, across 13 countries.
How current is this data?
107,756 companies were confirmed in the last 90 days. Last detection 14 October 2026.
