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Quest Diagnostics, Inc.

Quest Diagnostics, Inc. engages in the provision fo diagnostic testing, information and services. It operates through the Diagnostic Information Services (DIS) and All Other segments. The DIS segment offers diagnostic information services to patients, clinicians, hospitals, health plans, and employers. The All Other segment consists of risk assessment services, healthcare information technology, diagnostic products, and clinical trials testing businesses. The company was founded in 1967 and is headquartered in Secaucus, NJ.