| # | Name | Location | Applications |
|---|---|---|---|
| 1. | O.A.M. - Societa' per Azioni | 🇮🇹 Pianoro, Italy | 3 |
| 2. | O.A.M. S.P.A. | 🇮🇹 Rastignano, Italy | 1 |
| 3. | O.A.M. S.p.A. | 🇮🇹 Pianoro-Frazione Rastignano, Italy | 1 |
| 4. | OAM Photonics LLC | 🇺🇸 Albuquerque, NM, United States | 5 |
| 5. | OAM Photonics LLC | 🇺🇸 San Diego, CA, United States | 2 |