Company lists · Data refreshed September 2026
All Operational technology security companies lists
Every Operational technology security companies list RevenueBase publishes, by country and city. 12 lists covering 991 companies, verified September 2026. Largest markets first.
Operational technology security companies by location
- Operational technology security companies based in the United States368
- Operational technology security companies based in the United Kingdom96
- Operational technology security companies based in Germany77
- Operational technology security companies based in Australia67
- Operational technology security companies based in Canada63
- Operational technology security companies based in France63
- Operational technology security companies based in Brazil52
- Operational technology security companies based in Spain52
- Operational technology security companies based in the Netherlands45
- Operational technology security companies based in Italy39
- Operational technology security companies based in Israel36
- Operational technology security companies based in Switzerland33
Counts are matching companies in the RevenueBase company graph as of each list's last refresh date.