Quest Diagnostics

Founded in 1967, Quest Diagnostics is a leading medical research company dedicated to providing comprehensive diagnostic testing, information, and services. With a core mission to empower better health through actionable insights, the company operates a national network of full-service laboratories, rapid response laboratories, and patient service centers. Quest Diagnostics offers a wide range of services including esoteric, routine medical, drugs of abuse, and non-hospital-based anatomic pathology testing. Their market focus spans patients, healthcare professionals, health insurers, and business professionals.

Notable affiliated individuals include Steve Rusckowski, who has been instrumental in the company's strategic direction. Key investors include institutional shareholders such as Vanguard Group and BlackRock. Quest Diagnostics has achieved significant milestones, including pioneering advancements in diagnostic testing and expanding its service reach through innovative solutions like Quest Mobile™ for in-home sample collection. The company's impact is profound, providing critical health insights that aid in disease prevention, diagnosis, and treatment for millions of patients annually.