| # | Name | Location | Applications |
|---|---|---|---|
| 1. | SRJ | 🇯🇵 Tochigi, Japan | 2 |
| 2. | SRJ Corporation | 🇯🇵 Tochigi, Japan | 6 |
| 3. | SRJ Corporation | 🇯🇵 Tokyo, Japan | 1 |
| 4. | SRJ Corporation | 🇯🇵 Kawachi-gun, Tochigi, Japan | 1 |
| 5. | SRJ, Inc. | 🇺🇸 Schaumburg, IL, United States | 6 |
| 6. | SRJ, Inc. | 🇺🇸 Addison, IL, United States | 1 |