| # | Name | Location | Applications |
|---|---|---|---|
| 1. | J&H TEK LLC | 🇺🇸 Lansdowne, PA, United States | 1 |
| 2. | J. H. Tonnjes E.A.S.T. GmbH & Co. KG | 🇩🇪 Delmenhorst, Germany | 1 |
| 3. | J. H. Tönnjes GmbH | 🇩🇪 Delmenhorst, Germany | 2 |
| 4. | J.H. Technologies, Inc. | 🇺🇸 Fremont, CA, United States | 1 |
| 5. | J.H. Tonnjes E.A.S.T. GmbH & Co. KG | 🇩🇪 Delmenhorst, Germany | 4 |
| 6. | J.H. Trademark Company, LLC | 🇺🇸 Paradise Valley, AZ, United States | 1 |
| 7. | J.H. Tönnjes GmbH | 🇩🇪 Delmenhorst, Germany | 1 |