A breakdown of the 19 companies running z/OS Connect Enterprise Edition.
Top industries
Information technology and services9
Financial services4
Media and telecommunications2
Professional and business services2
No industry recorded: 2
Company size
1–101 (5%)
51–2502 (11%)
251–5004 (21%)
1,001–5,0003 (16%)
5,001–10,0003 (16%)
10,001+6 (32%)
Share of companies with a recorded size, by employees.
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Frequently asked questions
About the z/OS Connect Enterprise Edition data on this page.
How many companies use z/OS Connect Enterprise Edition?
Firmable holds confirmed z/OS Connect Enterprise Edition detections for 19 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 z/OS Connect Enterprise Edition?
Tech Observer, NTT Communications and IBM are among the most prominent in the current set.
What industries use z/OS Connect Enterprise Edition?
Information technology and services, financial services and media and telecommunications lead the set, across 5 industries in total.
What size companies use z/OS Connect Enterprise Edition?
Adoption concentrates in the 10,001+ employee band, across the companies whose size is recorded.
Where are z/OS Connect Enterprise Edition users based?
The United States, Canada, Singapore and Australia account for most detections, across 13 countries.
How current is this data?
7 companies were confirmed in the last 90 days. Last detection 5 September 2026.
