| # | Name | Location | Applications |
|---|---|---|---|
| 1. | R.F. Hunter Company, Inc. | πΊπΈ Dover, NH, United States | 1 |
| 2. | RFH Chemie GmbH & Co. KG | π©πͺ BΓΌnde, Germany | 1 |
| 3. | RFHIC Corporation | π°π· Anyang, South Korea | 14 |
| 4. | RFHIC Corporation | π―π΅ Anyang, Japan | 1 |
| 5. | RFHIC Corporation | πΊπΈ Morrisville, NC, United States | 1 |
| 6. | RFHIC CORPORATION | π°π· , South Korea | 1 |
| 7. | RFHIC Corporation | π°π· Anyang-si, South Korea | 13 |