| Company Name | Type | Status |
|---|---|---|
| SEISMIC LIMITED | Private company limited by shares | Dissolved |
| SEISMIC QC LIMITED | Private company limited by shares | Live |
| SEISMIC CHINA LIMITED | Private company limited by shares | Dissolved |
| SEISMIC DIGITAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| JEBCO SEISMIC FAR EAST LIMITED | Private company limited by shares | Dissolved |
| Seismic Resources Limited | Private company limited by shares | Live |
| ROUEN SEISMIC LIMITED | Private company limited by shares | Dissolved |