A breakdown of the 495 companies running Open AdStream.
Top industries
Media and telecommunications146
Professional and business services50
Art, sports and recreation29
Financial services24
Industrial and manufacturing23
Construction and building22
Hospitality and travel20
Information technology and services17
No industry recorded: 101
Company size
1–1054 (19%)
11–5065 (23%)
51–25076 (26%)
251–50034 (12%)
501–1,00012 (4%)
1,001–5,00035 (12%)
5,001–10,0006 (2%)
10,001+5 (2%)
Share of companies with a recorded size, by employees.
No size recorded: 208
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 Open AdStream data on this page.
How many companies use Open AdStream?
Firmable holds confirmed Open AdStream detections for 495 distinct companies, 26 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Open AdStream?
Barnes & Noble, Oxygen Media and ASHRAE are among the most prominent in the current set.
What industries use Open AdStream?
Media and telecommunications, professional and business services and art, sports and recreation lead the set, across 19 industries in total.
What size companies use Open AdStream?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Open AdStream users based?
The United States, Australia, Canada and Indonesia account for most detections, across 13 countries.
How current is this data?
26 companies were confirmed in the last 90 days. Last detection 13 October 2026.
