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Quest Diagnostics Incorporated (DGX), headquartered in Secaucus, New Jersey, offers diagnostic testing and services globally. Valued at $27.2 billion by market cap, the company operates a national network of full-service laboratories, rapid response laboratories, and patient service centers. DGX offers esoteric, routine medical, drugs of abuse, and non-hospital-based anatomic pathology testing services.
Companies worth $10 billion or more are generally described as “large-cap stocks,” and DGX perfectly fits that description, with its market cap exceeding this mark, underscoring its size, influence, and dominance within the diagnostics & research industry. DGX is a leader in diagnostic information services, with its brand synonymous with quality and reliability. Generating over 95% of revenue from clinical testing and related services, it leverages about 2,300 patient service centers to ensure broad accessibility for patients and providers, reinforcing its market position and competitive edge in service delivery.
