| # | Name | Location | Applications |
|---|---|---|---|
| 1. | G & G S.R.L. | 🇮🇹 Florence, Italy | 1 |
| 2. | G & G S.r.L. (Societa Unipersonale) | 🇮🇹 Arzignano (VI), Italy | 1 |
| 3. | G*G*S Systems, LLC | 🇺🇸 Reston, VA, United States | 1 |
| 4. | G. G. Schimtt & Sons, Inc. | 🇺🇸 Lancaster, PA, United States | 1 |
| 5. | G.G. Schmitt & Sons, Inc. | 🇺🇸 Lancaster, PA, United States | 1 |
| 6. | GGS Yuasa International Ltd. | 🇯🇵 Kyoto-shi, Japan | 1 |