| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Sparton Navigation and Exploration | USA | |
| 2 | Meggitt Sensing Systems – Wilcoxon Research | USA | |
| 3 | Quake Defense Inc. Emergency Fail-Safe Systems | USA | |
| 4 | Electrodyn Systems LLC | USA | |
| 5 | SYSCOM Instruments International | USA |
| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Sparton Navigation and Exploration | USA | |
| 2 | Meggitt Sensing Systems – Wilcoxon Research | USA | |
| 3 | Quake Defense Inc. Emergency Fail-Safe Systems | USA | |
| 4 | Electrodyn Systems LLC | USA | |
| 5 | SYSCOM Instruments International | USA |
