| # | Name | Location | Applications |
|---|---|---|---|
| 1. | A&H COPORATION | 🇰🇷 Ansan-si, Gyunggi-do, South Korea | 1 |
| 2. | AHC Co., Ltd. | 🇯🇵 Maebashi-shi, Japan | 1 |
| 3. | AHC Co., Ltd. | 🇯🇵 Maebashi-shi, Gunma, Japan | 1 |
| 4. | AHC Oberflachentechnik GmbH | 🇩🇪 Kerpen, Germany | 1 |
| 5. | AHC Oberflachentechnik GmbH & Co. | 🇩🇪 Kerpen, Germany | 1 |
| 6. | AHC OBERFLACHENTECHNIK GMBH & CO. OHG | 🇩🇪 Kerpen, Germany | 1 |
| 7. | AHC OBERFLÄCHENTECHNIK GMBH | 🇩🇪 Kerpen, Germany | 1 |
| 8. | AHC SYSTEM WINDOWS. CO., LTD. | 🇰🇷 Seoul, South Korea | 1 |