A breakdown of the 40 companies running Assertible.
Top industries
Information technology and services21
Professional and business services5
Construction and building3
Education and training3
Media and telecommunications2
Financial services1
Industrial and manufacturing1
Retail trade1
No industry recorded: 2
Company size
1–101 (3%)
11–509 (24%)
51–2508 (21%)
251–5006 (16%)
501–1,0002 (5%)
1,001–5,0004 (11%)
5,001–10,0004 (11%)
10,001+4 (11%)
Share of companies with a recorded size, by employees.
No size recorded: 2
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Frequently asked questions
About the Assertible data on this page.
How many companies use Assertible?
Firmable holds confirmed Assertible detections for 40 distinct companies, 10 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Assertible?
3Core Systems, Inc, OAK TREE SOFTWARE and Caterpillar Inc. are among the most prominent in the current set.
What industries use Assertible?
Information technology and services, professional and business services and construction and building lead the set, across 10 industries in total.
What size companies use Assertible?
Adoption concentrates in the 11-50 employee band, across the companies whose size is recorded.
Where are Assertible users based?
The United States, Australia, Canada and Indonesia account for most detections, across 13 countries.
How current is this data?
10 companies were confirmed in the last 90 days. Last detection 30 August 2026.
