| # | Name | Location | Applications |
|---|---|---|---|
| 1. | G P Daikyo Corporation | 🇯🇵 Hiroshima, Japan | 2 |
| 2. | G P Daikyo Corporation | 🇯🇵 Higashihiroshima-shi, Japan | 2 |
| 3. | G.P. DI GHEZZI GIUSEPPE | 🇮🇹 Besana In Brianza, Italy | 1 |
| 4. | GP DAIKYO CORPORATION | 🇯🇵 Hiroshima, Japan | 8 |
| 5. | GP Daikyo Corporation | 🇯🇵 Higashihiroshima-shi, Japan | 3 |
| 6. | GPD GLOBAL, INC. | 🇺🇸 Grand Junction, CO, United States | 2 |
| 7. | GPD Optoelectronics Corp. | 🇺🇸 Salem, NH, United States | 2 |
| 8. | GPD TECHNOLOGIES LLC | 🇺🇸 Sharpsburg, GA, United States | 1 |