A breakdown of the 1.7M+ companies running Underscore.js.
Top industries
Professional and business services194K+
Art, sports and recreation152K+
Construction and building121K+
Health and wellness103K+
Industrial and manufacturing102K+
Retail trade94K+
Education and training89K+
Hospitality and travel82K+
No industry recorded: 310K+
Company size
1–10361,102 (46%)
11–50214,488 (27%)
51–250149,347 (19%)
251–50035,985 (5%)
501–1,0007,856 (1%)
1,001–5,00010,949 (1%)
5,001–10,0001,490 (<1%)
10,001+1,588 (<1%)
Share of companies with a recorded size, by employees.
No size recorded: 923K+
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Market insights
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Frequently asked questions
About the Underscore.js data on this page.
How many companies use Underscore.js?
Firmable holds confirmed Underscore.js detections for 1,706,632 distinct companies, 772,514 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Underscore.js?
Tarsus Pharmaceuticals, Inc., Intellia Therapeutics, Inc. and xeris pharmaceuticals, inc. are among the most prominent in the current set.
What industries use Underscore.js?
Professional and business services, art, sports and recreation and construction and building lead the set, across 19 industries in total.
What size companies use Underscore.js?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Underscore.js users based?
The United States, Australia, Canada and Indonesia account for most detections, across 13 countries.
How current is this data?
772,514 companies were confirmed in the last 90 days. Last detection 13 October 2026.
