A breakdown of the 410 companies running Apache Pulsar.
Top industries
Information technology and services214
Financial services38
Professional and business services35
Media and telecommunications21
Industrial and manufacturing19
Education and training14
Art, sports and recreation13
Transport10
No industry recorded: 14
Company size
1–1026 (7%)
11–5046 (12%)
51–25082 (21%)
251–50038 (10%)
501–1,00026 (7%)
1,001–5,00062 (16%)
5,001–10,00020 (5%)
10,001+83 (22%)
Share of companies with a recorded size, by employees.
No size recorded: 27
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Frequently asked questions
About the Apache Pulsar data on this page.
How many companies use Apache Pulsar?
Firmable holds confirmed Apache Pulsar detections for 410 distinct companies, 91 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Apache Pulsar?
Kepler Communications Inc., Perot Jain and Partnersindigitalhealth are among the most prominent in the current set.
What industries use Apache Pulsar?
Information technology and services, financial services and professional and business services lead the set, across 19 industries in total.
What size companies use Apache Pulsar?
Adoption concentrates in the 10,001+ employee band, across the companies whose size is recorded.
Where are Apache Pulsar users based?
The United States, Canada, Australia and the Philippines account for most detections, across 13 countries.
How current is this data?
91 companies were confirmed in the last 90 days. Last detection 13 October 2026.
