A breakdown of the 939 companies running Extensis.
Top industries
Professional and business services444
Media and telecommunications125
Industrial and manufacturing72
Art, sports and recreation40
Information technology and services39
Retail trade39
Education and training38
Financial services27
No industry recorded: 40
Company size
1–1048 (5%)
11–50113 (12%)
51–250293 (32%)
251–500159 (18%)
501–1,00075 (8%)
1,001–5,000134 (15%)
5,001–10,00037 (4%)
10,001+49 (5%)
Share of companies with a recorded size, by employees.
No size recorded: 31
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 Extensis data on this page.
How many companies use Extensis?
Firmable holds confirmed Extensis detections for 939 distinct companies, 928 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Extensis?
The Riverside Company, Sourcebooks and McKinney are among the most prominent in the current set.
What industries use Extensis?
Professional and business services, media and telecommunications and industrial and manufacturing lead the set, across 19 industries in total.
What size companies use Extensis?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Extensis users based?
The United States, Australia, Canada and Indonesia account for most detections, across 13 countries.
How current is this data?
928 companies were confirmed in the last 90 days. Last detection 13 October 2026.
