| # | Name | Location | Applications |
|---|---|---|---|
| 1. | E.S.L.I. Limited | Tortola, Virgin Islands (British) | 2 |
| 2. | ESL Defence Limited | 🇬🇧 Hampshire, United Kingdom | 1 |
| 3. | ESL POWER SYSTEMS, INC. | 🇺🇸 CORONA, CA, United States | 2 |
| 4. | ESL TEKnologies LLC | 🇺🇸 Dallas, TX, United States | 1 |
| 5. | ESL Vision | 🇺🇸 Salt Lake City, UT, United States | 2 |