| # | Name | Location | Applications |
|---|---|---|---|
| 1. | E&H. CO., LTD. | 🇰🇷 Anseong-Si, South Korea | 1 |
| 2. | E&H. Co., Ltd. | 🇰🇷 Gyeonggi-Do, South Korea | 1 |
| 3. | E&H. CO., LTD. | 🇰🇷 Asan-Si, South Korea | 1 |
| 4. | EHC CANADA, INC. | 🇨🇦 Oshawa, ON, Canada | 1 |
| 5. | EHC Canada, Inc. | 🇨🇦 Oshawa, Ontario, Canada | 1 |
| 6. | EHC Canada, Inc. | 🇨🇦 Oshawa, Canada | 16 |