| # | Name | Location | Applications |
|---|---|---|---|
| 1. | ETP ELECTRON MULTIPLIERS PTY LTD | 🇦🇺 Clyde, New South Wales, Australia | 1 |
| 2. | ETP Electron Multipliers Pty Ltd | 🇦🇺 Ermington, Australia | 1 |
| 3. | ETP Electron Multipliers Pty Ltd. | 🇦🇺 New South Wales, Australia | 1 |
| 4. | ETP Holdings, Inc. | 🇺🇸 New York, NY, United States | 3 |
| 5. | ETP ION DETECT PTY LTD | 🇦🇺 Clyde, New South Wales, Australia | 1 |
| 6. | ETP Mass Spectrometry Pty Ltd | 🇦🇺 Ringwood, Victoria, Australia | 1 |
| 7. | ETP TRANSMISSION AB | 🇸🇪 Linkoping, Sweden | 2 |