Company lists · Data refreshed September 2026
All IT security companies lists
Every IT security companies list RevenueBase publishes, by country and city. 82 lists covering 17,327 companies, verified September 2026. Largest markets first.
IT security companies by location
- IT security companies based in the United States5,707
- IT security companies based in the United Kingdom1,365
- IT security companies based in Canada768
- IT security companies based in Brazil765
- IT security companies based in France696
- IT security companies based in Australia692
- IT security companies based in Germany580
- IT security companies based in Spain384
- IT security companies based in the Netherlands383
- IT security companies based in Italy339
- IT security companies based in Mexico302
- IT security companies based in South Africa253
- IT security companies based in Sao Paulo, Brazil236
- IT security companies based in Israel230
- IT security companies based in Switzerland199
- IT security companies based in Belgium181
- IT security companies based in Poland180
- IT security companies based in New York, United States163
- IT security companies based in Toronto, Canada158
- IT security companies based in Sweden143
- IT security companies based in Sydney, Australia143
- IT security companies based in Argentina126
- IT security companies based in Melbourne, Australia124
- IT security companies based in Miami, United States102
- IT security companies based in Houston, United States99
- IT security companies based in Chicago, United States98
- IT security companies based in Atlanta, United States95
- IT security companies based in Austin, United States93
- IT security companies based in Austria93
- IT security companies based in Washington, United States90
- IT security companies based in Montreal, Canada85
- IT security companies based in San Francisco, United States81
- IT security companies based in Dallas, United States80
- IT security companies based in Romania80
- IT security companies based in New Zealand79
- IT security companies based in Ireland77
- IT security companies based in Tampa, United States75
- IT security companies based in Czechia74
- IT security companies based in Denmark72
- IT security companies based in Portugal69
- IT security companies based in Ottawa, Canada66
- IT security companies based in Calgary, Canada64
- IT security companies based in Greece64
- IT security companies based in Hungary61
- IT security companies based in Brisbane, Australia60
- IT security companies based in Los Angeles, United States59
- IT security companies based in Finland57
- IT security companies based in San Diego, United States57
- IT security companies based in Rio De Janeiro, Brazil55
- IT security companies based in Ukraine53
- IT security companies based in Charlotte, United States51
- IT security companies based in Orlando, United States50
- IT security companies based in Boston, United States48
- IT security companies based in Columbia, United States48
- IT security companies based in Denver, United States48
- IT security companies based in Arlington, United States45
- IT security companies based in Slovakia45
- IT security companies based in Las Vegas, United States44
- IT security companies based in Phoenix, United States43
- IT security companies based in Vancouver, Canada42
- IT security companies based in Bulgaria41
- IT security companies based in San Antonio, United States41
- IT security companies based in Estonia40
- IT security companies based in Norway38
- IT security companies based in Canberra, Australia36
- IT security companies based in Perth, Australia36
- IT security companies based in Seattle, United States36
- IT security companies based in Reston, United States33
- IT security companies based in Baltimore, United States32
- IT security companies based in Scottsdale, United States32
- IT security companies based in Brasilia, Brazil31
- IT security companies based in Fairfax, United States31
- IT security companies based in Pittsburgh, United States30
- IT security companies based in Raleigh, United States30
- IT security companies based in Wilmington, United States29
- IT security companies based in Alexandria, United States28
- IT security companies based in Huntsville, United States28
- IT security companies based in Sheridan, United States28
- IT security companies based in Belo Horizonte, Brazil27
- IT security companies based in Luxembourg27
- IT security companies based in Mclean, United States27
- IT security companies based in Mississauga, Canada27
Counts are matching companies in the RevenueBase company graph as of each list's last refresh date.