QUEST DIAGNOSTICS INC

Quest Diagnostics Inc.

Diagnostics & Research Healthcare Secaucus, NJ, United States DGX (NYQ)

Quest Diagnostics Incorporated provides diagnostic testing and services in the United States and internationally. The company develops and delivers diagnostic information services, such as routine, non-routine and advanced clinical testing, anatomic pathology testing, and other diagnostic information services. It also provides diagnostic information services primarily under the Quest Diagnostics brand, as well as under the AmeriPath, Dermpath Diagnostics, ExamOne, and Quanum brands to physicians, hospitals, patients and consumers, health plans, government agencies, employers, emerging retail healthcare providers, pharmaceutical companies and insurers, commercial clinical laboratories, and accountable care organizations through a network of laboratories, patient service centers, phlebotomists in physician offices, call centers and mobile phlebotomists, nurses, and other health and wellness professionals. In addition, the company offers risk assessment services for the life insurance industry; and healthcare organizations and clinicians information technology solutions. Quest Diagnostics Incorporated was founded in 1967 and is headquartered in Secaucus, New Jersey.

Stock Performance (90 Days)

Data through Dec 29, 2025
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Layoff History

No layoff events recorded for this company.

Recent News

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Frequently Asked Questions

Has QUEST DIAGNOSTICS INC had layoffs?
No layoff events have been recorded for QUEST DIAGNOSTICS INC in our database. This could mean the company has not conducted significant layoffs, or any layoffs have not been publicly reported.
How many employees does QUEST DIAGNOSTICS INC have?
QUEST DIAGNOSTICS INC has approximately 45,000 employees.
What industry is QUEST DIAGNOSTICS INC in?
QUEST DIAGNOSTICS INC operates in the Diagnostics & Research industry, within the Healthcare sector.
Is QUEST DIAGNOSTICS INC a publicly traded company?
Yes, QUEST DIAGNOSTICS INC is publicly traded under the ticker symbol DGX on the NYQ. The company has a market capitalization of approximately $19.63 billion.
Where is QUEST DIAGNOSTICS INC headquartered?
QUEST DIAGNOSTICS INC is headquartered in Secaucus, NJ, United States at 500 Plaza Drive, Secaucus, NJ 07094, United States.

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