| Company Name | Type | Status |
|---|---|---|
| HUMAN DETECTOR LIMITED | Private company limited by shares | Live |
| Detector Technology Limited | Private company limited by shares | Live |
| DETECTOR TECHNOLOGY UK LIMITED | Private company limited by shares | Dissolved |
| GAS DETECTOR TECHNOLOGY UK LIMITED | Private company limited by shares | Dissolved |
| DETECTORALL CO LIMITED | Private company limited by shares | Live |