Leading Suppliers Globally for High Vacuum Diffusion Pumps

Here is a list of some of the leading global suppliers of High Vacuum Diffusion Pumps:

1. Edwards
2. Leybold
3. Agilent (formerly Varian)
4. Pfeiffer Vacuum
5. ULVAC
6. Osaka Vacuum
7. Shimadzu Corporation
8. KYKY Technology
9. Adixen (part of Atlas Copco)
10. Welch Vacuum (Gardner Denver)

These companies are well-known for their expertise and innovation in the field of High Vacuum Diffusion Pumps.