A breakdown of the 7.5K+ companies running PubSubJS.
Top industries
Art, sports and recreation825
Hospitality and travel689
Industrial and manufacturing633
Professional and business services570
Retail trade546
Construction and building533
Health and wellness533
Education and training448
No industry recorded: 687
Company size
1–101,305 (28%)
11–501,272 (27%)
51–2501,194 (25%)
251–500416 (9%)
501–1,000140 (3%)
1,001–5,000225 (5%)
5,001–10,00056 (1%)
10,001+107 (2%)
Share of companies with a recorded size, by employees.
No size recorded: 2.8K+
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 PubSubJS data on this page.
How many companies use PubSubJS?
Firmable holds confirmed PubSubJS detections for 7,597 distinct companies, 6,391 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use PubSubJS?
Cooper Machinery Services, Varnum LLP and AD Safety Network are among the most prominent in the current set.
What industries use PubSubJS?
Art, sports and recreation, hospitality and travel and industrial and manufacturing lead the set, across 19 industries in total.
What size companies use PubSubJS?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are PubSubJS users based?
The United States, Australia, Canada and Singapore account for most detections, across 13 countries.
How current is this data?
6,391 companies were confirmed in the last 90 days. Last detection 13 September 2026.
