| # | Name | Location | Applications |
|---|---|---|---|
| 1. | KL-NET CORPORATION | 🇰🇷 Seoul, South Korea | 1 |
| 2. | KLN Steel Products Company, Ltd. | 🇺🇸 San Antonio, TX, United States | 1 |
| 3. | KLN Steel Products Ltd. | 🇺🇸 San Antonio, TX, United States | 1 |
| 4. | KLNP, LLC | 🇺🇸 Cold Spring Harbor, NY, United States | 1 |