| # | Name | Location | Applications |
|---|---|---|---|
| 1. | O.L.C.I. Engineering S.r.l. | 🇮🇹 Turin, Italy | 1 |
| 2. | OL-CI S.R.L | 🇮🇹 Torino, Italy | 1 |
| 3. | Olcay Yilmaz Damar | 🇹🇷 Istanbul, Turkey | 1 |
| 4. | OLCON ENGINEERING AB | 🇸🇪 Kil, Sweden | 5 |
| 5. | OLCON ENGINEERING AB | 🇸🇪 66592 Kil, Sweden | 1 |
| 6. | Olcorps Co., Ltd | 🇰🇷 Seoul, South Korea | 3 |