A breakdown of the 141 companies running Quantum Communications.
Top industries
Education and training53
Industrial and manufacturing15
Information technology and services15
Media and telecommunications12
Government and public services9
Professional and business services9
Financial services7
Not for profit7
No industry recorded: 6
Company size
1–108 (6%)
11–509 (7%)
51–25027 (20%)
251–5005 (4%)
501–1,00011 (8%)
1,001–5,00028 (21%)
5,001–10,00024 (18%)
10,001+23 (17%)
Share of companies with a recorded size, by employees.
No size recorded: 6
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Frequently asked questions
About the Quantum Communications data on this page.
How many companies use Quantum Communications?
Firmable holds confirmed Quantum Communications detections for 141 distinct companies, 24 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Quantum Communications?
The American Ceramic Society, Strategic Resilience Group LLC and Centre for Quantum Technologies are among the most prominent in the current set.
What industries use Quantum Communications?
Education and training, industrial and manufacturing and information technology and services lead the set, across 15 industries in total.
What size companies use Quantum Communications?
Adoption concentrates in the 1,001-5,000 employee band, across the companies whose size is recorded.
Where are Quantum Communications users based?
The United States, Australia, Canada and Japan account for most detections, across 13 countries.
How current is this data?
24 companies were confirmed in the last 90 days. Last detection 5 September 2026.
