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Quest Diagnostics Inc

DGXNEW YORK STOCK EXCHANGE, INC.

Quest Diagnostics, Inc. engages in the provision of diagnostic testing, information, and services. The company is headquartered in Secaucus, New Jersey and currently employs 45,000 full-time employees. The firm provides diagnostic insights from the results of its laboratory testing to enable people, physicians, and organizations to take action to improve health outcomes. The company operates through the DIS segment, which provides diagnostic information services to a range of customers within its primary customer channels: physicians, hospitals, and patients and consumers. The company offers broad access to clinical testing through a nationwide network of laboratories, patient service centers, phlebotomists in physician offices, and connectivity resources, including call centers and mobile phlebotomists, nurses and other health and wellness professionals. The company also focuses on artificial intelligence (AI) and digital pathology solutions. The Company’s services primarily are provided under the Quest Diagnostics brand and under other brands, including AmeriPath, Dermpath Diagnostics, ExamOne, and Quanum.

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Health Care

Company Information

Employees
50,500
IPO Date
December 17, 1996

Contact Information

Address
500 Plaza Drive, Secaucus, NEW JERSEY US

Market Snapshot

Last Updated: Nov 25, 2025, 11:12 PM · Source: Finnhub.io

all
52-Week High
$197.55
52-Week Low
$148.75
52-Week Return
16.3%
10-Day Avg Volume
1.3
Beta
0.61
Market Cap
$21.32B
Normalized P/E
24.47

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