United States

Top 70 largest US Companies in the Diagnostics & Research industry by Market Cap

This is the list of the largest public listed companies in the Diagnostics & Research industry from the United States by market capitalization with links to their reference stock.

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Top Diagnostics & Research Companies from the United States as of Jan. 01, 2025

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Rank Company Market Cap (USD) Country Sector Industry
1 Thermo Fisher Scientific Inc. $219.88 B United States US Healthcare US Diagnostics & Research
2 Danaher Corporation $177.43 B United States US Healthcare US Diagnostics & Research
3 Agilent Technologies, Inc. $43.57 B United States US Healthcare US Diagnostics & Research
4 IQVIA Holdings Inc. $37.39 B United States US Healthcare US Diagnostics & Research
5 IDEXX Laboratories, Inc. $35.40 B United States US Healthcare US Diagnostics & Research
6 DexCom, Inc. $34.26 B United States US Healthcare US Diagnostics & Research
7 Mettler-Toledo International Inc. $28.18 B United States US Healthcare US Diagnostics & Research
8 Waters Corporation $24.51 B United States US Healthcare US Diagnostics & Research
9 Natera, Inc. $22.68 B United States US Healthcare US Diagnostics & Research
10 Illumina, Inc. $21.37 B United States US Healthcare US Diagnostics & Research
11 Laboratory Corporation of America Holdings $20.43 B United States US Healthcare US Diagnostics & Research
12 Quest Diagnostics Incorporated $16.95 B United States US Healthcare US Diagnostics & Research
13 Revvity, Inc. $14.97 B United States US Healthcare US Diagnostics & Research
14 Medpace Holdings, Inc. $10.81 B United States US Healthcare US Diagnostics & Research
15 Exact Sciences Corporation $10.20 B United States US Healthcare US Diagnostics & Research
16 Charles River Laboratories International, Inc. $8.53 B United States US Healthcare US Diagnostics & Research
17 Lantheus Holdings, Inc. $6.79 B United States US Healthcare US Diagnostics & Research
18 Guardant Health, Inc. $6.00 B United States US Healthcare US Diagnostics & Research
19 RadNet, Inc. $4.81 B United States US Healthcare US Diagnostics & Research
20 Syneos Health, Inc. $4.38 B

(July 1, 2023)

 United States US Healthcare US Diagnostics & Research
21 Ortho Clinical Diagnostics Holdings plc $4.19 B

(May 1, 2022)

 United States US Healthcare US Diagnostics & Research
22 Sotera Health Company $3.51 B United States US Healthcare US Diagnostics & Research
23 Twist Bioscience Corporation $3.18 B United States US Healthcare US Diagnostics & Research
24 Quidel Corporation $2.98 B United States US Healthcare US Diagnostics & Research
25 Neogen Corporation $2.55 B United States US Healthcare US Diagnostics & Research
26 Soleno Therapeutics, Inc. $2.07 B United States US Healthcare US Diagnostics & Research
27 NeoGenomics, Inc. $1.91 B United States US Healthcare US Diagnostics & Research
28 Meridian Bioscience, Inc. $1.47 B

(Jan. 1, 2023)

 United States US Healthcare US Diagnostics & Research
29 CareDx, Inc $1.26 B United States US Healthcare US Diagnostics & Research
30 Myriad Genetics, Inc. $1.16 B United States US Healthcare US Diagnostics & Research

Top Diagnostics & Research Companies from the United States as of Jan. 01, 2025

1. Thermo Fisher Scientific

Company Profile: Thermo Fisher Scientific Inc.
Market Cap (USD): $219.88 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

2. Danaher

Company Profile: Danaher Corporation
Market Cap (USD): $177.43 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

3. Agilent Technologies, Inc.

Company Profile: Agilent Technologies, Inc.
Market Cap (USD): $43.57 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

4. IQVIA Holdings Inc.

Company Profile: IQVIA Holdings Inc.
Market Cap (USD): $37.39 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

5. IDEXX Laboratories, Inc.

Company Profile: IDEXX Laboratories, Inc.
Market Cap (USD): $35.40 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

6. DexCom, Inc.

Company Profile: DexCom, Inc.
Market Cap (USD): $34.26 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

7. Mettler-Toledo International Inc.

Company Profile: Mettler-Toledo International Inc.
Market Cap (USD): $28.18 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

8. Waters Corporation

Company Profile: Waters Corporation
Market Cap (USD): $24.51 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

9. Natera, Inc.

Company Profile: Natera, Inc.
Market Cap (USD): $22.68 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

10. Illumina, Inc.

Company Profile: Illumina, Inc.
Market Cap (USD): $21.37 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

11. Laboratory Corporation of America Holdings

Company Profile: Laboratory Corporation of America Holdings
Market Cap (USD): $20.43 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

12. Quest Diagnostics Incorporated

Company Profile: Quest Diagnostics Incorporated
Market Cap (USD): $16.95 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

13. Revvity, Inc.

Company Profile: Revvity, Inc.
Market Cap (USD): $14.97 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

14. Medpace Holdings, Inc.

Company Profile: Medpace Holdings, Inc.
Market Cap (USD): $10.81 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

15. Exact Sciences Corporation

Company Profile: Exact Sciences Corporation
Market Cap (USD): $10.20 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

16. Charles River Laboratories International, Inc.

Company Profile: Charles River Laboratories International, Inc.
Market Cap (USD): $8.53 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

17. Lantheus Holdings, Inc.

Company Profile: Lantheus Holdings, Inc.
Market Cap (USD): $6.79 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

18. Guardant Health, Inc.

Company Profile: Guardant Health, Inc.
Market Cap (USD): $6.00 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

19. RadNet, Inc.

Company Profile: RadNet, Inc.
Market Cap (USD): $4.81 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

20. Syneos Health, Inc.

Company Profile: Syneos Health, Inc.
Market Cap (USD): $4.38 B (July 1, 2023)
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

21. Ortho Clinical Diagnostics Holdings plc

Company Profile: Ortho Clinical Diagnostics Holdings plc
Market Cap (USD): $4.19 B (May 1, 2022)
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

22. Sotera Health Company

Company Profile: Sotera Health Company
Market Cap (USD): $3.51 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

23. Twist Bioscience Corporation

Company Profile: Twist Bioscience Corporation
Market Cap (USD): $3.18 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

24. Quidel Corporation

Company Profile: Quidel Corporation
Market Cap (USD): $2.98 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

25. Neogen Corporation

Company Profile: Neogen Corporation
Market Cap (USD): $2.55 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

26. Soleno Therapeutics, Inc.

Company Profile: Soleno Therapeutics, Inc.
Market Cap (USD): $2.07 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

27. NeoGenomics, Inc.

Company Profile: NeoGenomics, Inc.
Market Cap (USD): $1.91 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

28. Meridian Bioscience, Inc.

Company Profile: Meridian Bioscience, Inc.
Market Cap (USD): $1.47 B (Jan. 1, 2023)
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

29. CareDx, Inc

Company Profile: CareDx, Inc
Market Cap (USD): $1.26 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

30. Myriad Genetics, Inc.

Company Profile: Myriad Genetics, Inc.
Market Cap (USD): $1.16 B
Country: United States
Sector: US Healthcare
Industry: US Diagnostics & Research

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