 | Applied Tech | madison, wisconsin, united states | 147 | computer and network security | 1999 | |
 | attivo networks®, a sentinelone company | fremont, california, united states | 86 | computer and network security | 2011 | |
 | kobil | worms, rheinland pfalz, germany | 194 | computer and network security | 1986 | |
 | Fortalice Solutions, LLC | Charlotte, north carolina, united states | 31 | computer and network security | 2008 | |
 | Wildcard Corp. | stevens point, wisconsin, united states | 38 | computer and network security | 2007 | |
 | Darktrace | cambridge, cambridgeshire, united kingdom | 2.7K | computer and network security | 2013 | |
 | DigiCert | lehi, utah, united states | 1.4K | computer and network security | 2003 | |
 | Apraciti | Haddonfield, new jersey, united states | 4 | computer and network security | - | |
 | UPEK | Emeryville, california, united states | 28 | computer and network security | - | |
 | Institute for Software Integrated Systems, Vanderbilt University | nashville, tennessee, united states | 73 | computer and network security | 1998 | |
 | Tautuk™ | jasper, georgia, united states | 0 | computer and network security | 2021 | |
 | Cyber 51 LLC | Seattle, washington, united states | 1 | computer and network security | 2009 | |
 | Qintel | Pittsburgh, pennsylvania, united states | 43 | computer and network security | - | |
 | NorthCreek Technology and Security | Fayetteville, arkansas, united states | 1 | computer and network security | 2020 | |
 | New England Computer Solutions | newtown, connecticut, united states | 8 | computer and network security | 2010 | |
 | notoros dlt | saint louis, missouri, united states | 5 | computer and network security | 2020 | |
 | CyberSec Education | Atlanta, georgia, united states | - | computer and network security | - | |
 | Core Managed Services, LLC | Fort Worth, texas, united states | - | computer and network security | - | |
 | Freedom Tech | united states | 13 | computer and network security | 2001 | |
| Experis Cyber | israel | 12 | computer and network security | 2009 | |
