1. Hadi, Germany.
2. System Happel GmbH, Germany. **
3. Hartmann GmbH, Germany.
4. Harvestore, Germany. **
5. Hassia Pflanztechnik, Germany.
6. Hassia Verpackungsmaschinen GmbH, Germany.
**
7. Hatz Motorenfabrik GmbH, Germany.
**
8. Hawe Heinrich Wester, Germany. **
9. HDT Anlagenbau GmbH, Germany. **
10. Heidemark, Germany. **
11. Hellmann GmbH, Germany. **
12. Himel GmbH, Germany. **
13. Hoffmann GmbH, Germany.
14. Holder gmbH, Germany. **
15. Holmer Maschinenbau GmbH, Germany.
**
16. Holscher + Leuschner, Germany. **
17. Horizont Agrartechnik GmbH,
Germany
18. Horsch Maschinen GmbH, Germany. **
19. Howard Maschinenfabrik GmbH,
Germany.
20. Howema Geratebau GmbH, Germany. **
21. Hans Huber GmbH, Germany. **
22. Hudig GmbH, Germany.
23. Hurlimann, Germany. **
24. Huweca GmbH, Germany. **