# 21st Century Security

Business profile: public business information with links to supporting state records. Data as of October 16, 2026.

- Legal business name: 21st Century Security
- Entity type: Trade name
- Registration date: April 17, 2014
- Jurisdiction count: 1

## All known addresses

- 1111 Ithaca Cir, Saint Charles, MO 63303 (listed in Missouri)

## Registered states

- [Missouri](https://index.baselayer.com/mo/30fc22a5966d77cd): Domestic registration

Source: public state registration records. Missing values are not a negative finding.

Cite as: Baselayer Business Index (https://index.baselayer.com/business/30fc22a5966d77cd)