Largest Diagnostics & Research Companies
3 companies • Combined market cap: $448.3B
3
Companies
$448.3B
Total Market Cap
Healthcare
Sector
| # | Company | Market Cap |
|---|---|---|
| 1 | ![]() Thermo Fisher Scientific Inc.TMO | $249.6B |
| 2 | ![]() Danaher CorporationDHR | $157.8B |
| 3 | ![]() IDEXX Laboratories, Inc.IDXX | $40.9B |


