| # | Name | Location | Applications |
|---|---|---|---|
| 1. | E & Q ONE-TOUCH | 🇰🇷 Ulsan, South Korea | 1 |
| 2. | E&Q One-Touch Co., Ltd. | 🇰🇷 Ulsan, South Korea | 2 |
| 3. | E&Q ONE-TOUGH CO., LTD. | 🇰🇷 Ulsan, South Korea | 1 |
| 4. | EQO, Inc. | 🇺🇸 Austin, TX, United States | 1 |
| 5. | Eqol Inc. | 🇨🇦 Sault Ste. Marie, ON, Canada | 1 |
| 6. | EQON AS | 🇳🇴 Stavanger, Norway | 2 |