Share of companies with a recorded size, by employees.
No size recorded: 2.5M+
Versions detected
10 versions across the confirmed companies. Counts are distinct companies seen running that version.
0.12.21.1K+
16280
5907209231
18.3.1205
49182
6154
3139
1137
4118
9105
One dataset. Four ways to sell.
Match the deepest technology intelligence against the most comprehensive data on companies and people – such as who is growing, raised capital or changed role – for pinpoint precision on GTM campaigns.
Competitor displacement
Find the accounts running a competitor today and go after them with the right argument.
Complementary tools
Target companies whose stack sits alongside yours and integrates without a fight.
Service partners
Identify implementers and agencies already working in the technologies you support.
Market insights
Map your total addressable market and track aggregated trends such as AI maturity.
Frequently asked questions
About the React data on this page.
How many companies use React?
Firmable holds confirmed React detections for 4,116,500 distinct companies, 2,738,442 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use React?
GCI Health, Viant and The Michael J. Fox Foundation for Parkinson's Research are among the most prominent in the current set.
What industries use React?
Art, sports and recreation, professional and business services and retail trade lead the set, across 19 industries in total.
What size companies use React?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are React users based?
The United States, Canada, Australia and Japan account for most detections, across 13 countries.
How current is this data?
2,738,442 companies were confirmed in the last 90 days. Last detection 14 October 2026.
