1. Thermo Fisher Scientific Inc.
2. F.Hoffmann-La Roche Ltd.
3. Merck KGaA.
4. Danaher Corporation.
5. Perkinelmer Inc.
6. Bio-Rad Laboratories Inc.
7. Cell Signaling Technology Inc.
8. Bio SB.
9. Agilent Technologies Inc.
10. Abcam Plc.