| Secure Future Tech Solutions | Rhode Island |
| Secure Ideas, LLC | Florida |
| Secure Link, Inc. | Michigan |
| Secure Mentem | Maryland |
| Secure Operating Solutions, LLC | |
| Secure Payment Systems | Ohio |
| Secure Remote Support, Inc. | Washington |
| Secure Site Commerce | Wisconsin |
| Secure Speak | |
| Secure Technology Alliance | California |
| Secure World Foundation | |
| Secure64 Software Corporation | Colorado |
| SecureAgent Software | Oklahoma |
| SecureAuth Corporation | |
| SecureCo, Inc. | New York |
| Secured Network Services | New Hampshire |
| SecureDocs | Texas |
| Secureframe, Inc. | California |
| SecureIDNews | Florida |
| SecureLogix Corporation | Texas |
| SecureMac | Nevada |
| Securence | Minnesota |
| Securenet Systems, Inc. | Florida |
| SecureNetShop.com, LLC | Colorado |
| Securenext Software | California |
| SecurePRO, Inc. | California |
| Secureset Academy | Colorado |
| SecureSheet Technologies, LLC | North Carolina |
| SecureSlice, Inc. | |
| Securetech | California |
| SecureVideo | |
| SecureVision | |
| SecureW2 | |
| Secureworks, Inc. | Georgia |
| Securis | Virginia |
| Securisyn Medical | Colorado |
| Securitas Electronic Security | Illinois |
| Securitas Healthcare, LLC | |
| Securitas Technology | Ohio |
| Securiti | California |
| Securitize, LLC | California |
| Security and Privacy Software | Maryland |
| Security Boulevard | Florida |
| Security Information Systems, Inc. | Florida |
| Security Innovation Network | Wyoming |
| Security Innovation, Inc. | Massachusetts |
| Security Innovations Group, Inc. | |
| Security Journey | |
| Security Labs | South Dakota |
| Security Leadership Capital | California |