1. Amada
2. TRUMPF
3. Bystronic
4. LVD Group
5. DMG MORI
6. Mazak
7. TRUMPF
8. Prima Power
9. Salvagnini
10. Durma

Note that this ranking is based on various factors such as size, reputation, and industry impact and can change over time, This also not a definite ranking as it depend on person to person, industry to industry and region to region.