| # | Name | Location | Applications |
|---|---|---|---|
| 1. | E3 Technologies LLC. | 🇺🇸 Indianapolis, IN, United States | 2 |
| 2. | E3 TECHNOLOGY SP. Z O.O. | 🇵🇱 Warsaw, Poland | 1 |
| 3. | E3TEC Service, LLC | 🇺🇸 South Barrington, IL, United States | 2 |
| 4. | E3TEC Service, LLC | 🇺🇸 Clarksville, MD, United States | 2 |
| 5. | E3TEC SERVICES, LLC | 🇺🇸 Hoffman Estates, IL, United States | 1 |
| 6. | E3TRIGEN, INC. | 🇺🇸 Peachtree Corners, GA, United States | 2 |