A breakdown of the 3.1M+ companies running core-js.
Top industries
Art, sports and recreation339K+
Retail trade308K+
Professional and business services290K+
Hospitality and travel251K+
Health and wellness224K+
Industrial and manufacturing208K+
Construction and building201K+
Education and training157K+
No industry recorded: 395K+
Company size
1–10633,349 (45%)
11–50388,524 (28%)
51–250268,553 (19%)
251–50068,753 (5%)
501–1,00017,055 (1%)
1,001–5,00022,019 (2%)
5,001–10,0002,819 (<1%)
10,001+2,559 (<1%)
Share of companies with a recorded size, by employees.
No size recorded: 1.7M+
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 core-js data on this page.
How many companies use core-js?
Firmable holds confirmed core-js detections for 3,192,031 distinct companies, 2,801,406 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use core-js?
Cresset, Tarsus Pharmaceuticals, Inc. and Steward Partners are among the most prominent in the current set.
What industries use core-js?
Art, sports and recreation, retail trade and professional and business services lead the set, across 19 industries in total.
What size companies use core-js?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are core-js users based?
The United States, Canada, Australia and Japan account for most detections, across 13 countries.
How current is this data?
2,801,406 companies were confirmed in the last 90 days. Last detection 20 September 2026.
