A breakdown of the 6.3K+ companies running Apache Flink.
Top industries
Information technology and services2.9K+
Financial services777
Professional and business services657
Industrial and manufacturing365
Media and telecommunications269
Art, sports and recreation219
Education and training143
Retail trade113
No industry recorded: 244
Company size
1–10381 (6%)
11–50825 (14%)
51–2501,494 (25%)
251–500751 (13%)
501–1,000568 (10%)
1,001–5,000982 (17%)
5,001–10,000288 (5%)
10,001+661 (11%)
Share of companies with a recorded size, by employees.
No size recorded: 420
Versions detected
10 versions across the confirmed companies. Counts are distinct companies seen running that version.
2.2.02
2.3.02
1.12.21
1.13.11
1.14.31
1.14.41
1.15.01
1.16.01
1.16.21
1.16.31
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Frequently asked questions
About the Apache Flink data on this page.
How many companies use Apache Flink?
Firmable holds confirmed Apache Flink detections for 6,370 distinct companies, 1,774 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Apache Flink?
Viant, Gravie and Roundel are among the most prominent in the current set.
What industries use Apache Flink?
Information technology and services, financial services and professional and business services lead the set, across 19 industries in total.
What size companies use Apache Flink?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Apache Flink users based?
The United States, Canada, Australia and Singapore account for most detections, across 13 countries.
How current is this data?
1,774 companies were confirmed in the last 90 days. Last detection 14 October 2026.
