A breakdown of the 1.8K+ companies running LangSmith.
Top industries
Information technology and services964
Professional and business services271
Financial services209
Industrial and manufacturing92
Education and training55
Health and wellness43
Media and telecommunications43
Art, sports and recreation21
No industry recorded: 60
Company size
1–10133 (8%)
11–50244 (14%)
51–250384 (22%)
251–500185 (11%)
501–1,000139 (8%)
1,001–5,000275 (16%)
5,001–10,00099 (6%)
10,001+254 (15%)
Share of companies with a recorded size, by employees.
No size recorded: 163
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
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Complementary tools
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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 LangSmith data on this page.
How many companies use LangSmith?
Firmable holds confirmed LangSmith detections for 1,876 distinct companies, 1,008 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use LangSmith?
link, Socure and Thoma Bravo are among the most prominent in the current set.
What industries use LangSmith?
Information technology and services, professional and business services and financial services lead the set, across 19 industries in total.
What size companies use LangSmith?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are LangSmith users based?
The United States, Canada, Australia and Singapore account for most detections, across 13 countries.
How current is this data?
1,008 companies were confirmed in the last 90 days. Last detection 14 October 2026.
