| # | Name | Location | Applications |
|---|---|---|---|
| 1. | HJ Laboratories, LLC | 🇺🇸 Philadelphia, PA, United States | 2 |
| 2. | Hjläm Wallborg Martin | 🇸🇪 Harestad, Sweden | 1 |
| 3. | HJÁLMARSSON Helgi | 🇮🇸 Kópavogur, Iceland | 2 |
| 4. | HJÄLM Göran | 🇸🇪 Uppsala, Sweden | 1 |
| 5. | HØJLUND NIELSEN Poul Erik | 🇩🇰 Fredensborg, Denmark | 17 |
| 6. | HØJLUND-NIELSEN Emil | 🇩🇰 Copenhagen Ø, Denmark | 1 |