| # | Name | Location | Applications |
|---|---|---|---|
| 1. | J.F. KARSTEN BEHEER B.V. | 🇳🇱 Middelie, Netherlands | 5 |
| 2. | J.F. Knauer Industrie-Elektronik GmbH | 🇩🇪 Frankfurt, Germany | 3 |
| 3. | JFK EQUIPMENT LIMITED | 🇳🇿 Auckland, New Zealand | 1 |
| 4. | JFK Equipment Limited | 🇳🇿 Kaitaia, New Zealand | 2 |