| # | Name | Location | Applications |
|---|---|---|---|
| 1. | O.M.B. Guitars Ltd. | 🇮🇱 Efrat, Israel | 2 |
| 2. | OMB S.R.L. | 🇮🇹 Stenico, Italy | 1 |
| 3. | OMB SALERI S.p.A. | 🇮🇹 Brescia, Italy | 2 |
| 4. | OMB SALERI S.P.A.—SOCIETA' BENEFIT | 🇮🇹 Brescia, Italy | 2 |
| 5. | Ombitron Inc. | 🇺🇸 Seattle, WA, United States | 2 |
| 6. | Ombraz Inc. | 🇺🇸 Clyde Hill, WA, United States | 1 |
| 7. | OMBREA | 🇫🇷 Aix-en-Provence, France | 1 |