Share of companies with a recorded size, by employees.
No size recorded: 33
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
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Market insights
Map your total addressable market and track aggregated trends such as AI maturity.
Frequently asked questions
About the Cesium data on this page.
How many companies use Cesium?
Firmable holds confirmed Cesium detections for 585 distinct companies, 137 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Cesium?
Hermeus, Archbold and CesiumAstro are among the most prominent in the current set.
What industries use Cesium?
Information technology and services, construction and building and industrial and manufacturing lead the set, across 18 industries in total.
What size companies use Cesium?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Cesium users based?
The United States, Australia, Canada and Japan account for most detections, across 13 countries.
How current is this data?
137 companies were confirmed in the last 90 days. Last detection 19 September 2026.
