| # | Name | Location | Applications |
|---|---|---|---|
| 1. | IL WON CO., LTD. | 🇰🇷 CHUNGCHEONGNAM-DO, South Korea | 1 |
| 2. | Il Wong Kim | 🇰🇷 Gyeonggi-do, South Korea | 1 |
| 3. | IL-WON TECH CO., LTD | 🇰🇷 Hwaseong-si, South Korea | 2 |
| 4. | Il-Won Tech Co., Ltd. | 🇰🇷 Hwaseong-si, Gyeonggi-do, South Korea | 1 |
| 5. | ILW LC | 🇺🇸 Sheridan, WY, United States | 2 |
| 6. | ILWLC | 🇺🇸 Sheridan, WY, United States | 1 |
| 7. | ILWT LLC | 🇺🇸 O'Fallon, MO, United States | 1 |
| 8. | ILWZ ILEX Products, Inc. | 🇺🇸 San Antonio, TX, United States | 1 |