A breakdown of the 27K+ companies running Rubicon Project.
Top industries
Media and telecommunications10K+
Art, sports and recreation1.9K+
Education and training1.8K+
Hospitality and travel1.5K+
Information technology and services909
Professional and business services694
Health and wellness290
Construction and building265
No industry recorded: 7.6K+
Company size
1–103,940 (41%)
11–502,412 (25%)
51–2502,089 (22%)
251–500619 (6%)
501–1,000188 (2%)
1,001–5,000288 (3%)
5,001–10,00029 (<1%)
10,001+44 (<1%)
Share of companies with a recorded size, by employees.
No size recorded: 17K+
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Frequently asked questions
About the Rubicon Project data on this page.
How many companies use Rubicon Project?
Firmable holds confirmed Rubicon Project detections for 27,175 distinct companies, 21,797 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Rubicon Project?
SoundCloud, Live Nation APAC and NESN are among the most prominent in the current set.
What industries use Rubicon Project?
Media and telecommunications, art, sports and recreation and education and training lead the set, across 19 industries in total.
What size companies use Rubicon Project?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Rubicon Project users based?
The United States, Canada, Australia and Japan account for most detections, across 13 countries.
How current is this data?
21,797 companies were confirmed in the last 90 days. Last detection 13 October 2026.
