A breakdown of the 163 companies running ReactiveX.
Top industries
Information technology and services74
Professional and business services18
Financial services14
Industrial and manufacturing13
Art, sports and recreation9
Education and training7
Media and telecommunications7
Construction and building5
No industry recorded: 4
Company size
1–1012 (8%)
11–5021 (14%)
51–25037 (24%)
251–50026 (17%)
501–1,00011 (7%)
1,001–5,00014 (9%)
5,001–10,0008 (5%)
10,001+23 (15%)
Share of companies with a recorded size, by employees.
No size recorded: 11
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Frequently asked questions
About the ReactiveX data on this page.
How many companies use ReactiveX?
Firmable holds confirmed ReactiveX detections for 163 distinct companies, 8 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use ReactiveX?
Hitec (Hispanic It Executive Council), Konrad and Talan are among the most prominent in the current set.
What industries use ReactiveX?
Information technology and services, professional and business services and financial services lead the set, across 15 industries in total.
What size companies use ReactiveX?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are ReactiveX users based?
The United States, Australia, Canada and Singapore account for most detections, across 13 countries.
How current is this data?
8 companies were confirmed in the last 90 days. Last detection 19 September 2026.
