Quest Diagnostics Incorporated is the world's leading provider of diagnostic testing, information and services. A United States based corporation that provides clinical laboratory services, the company has operations in the United States, UK, Mexico and through its wholly owned subsidiary Quest Diagnostics India Pvt. Ltd, a laboratory in India in addition to service locations located in Brazil. Quest Diagnostics also has collaborative agreements internationally with various hospitals and clinics. 

Quest Diagnostics also has operations in the US Territory of Puerto Rico. Quest Diagnostics is a member of the Fortune 500 and the S&P 500. The corporate headquarters is located in Madison, New Jersey. The company has approximately 43,000 employees, including some 900 M.D.s and Ph.D.s.


    1967: Founded by Paul A. Brown, MD as Metropolitan Pathology Laboratory, Inc., in New York.
    1969: Name Changed to MetPath, Inc., in Teaneck, New Jersey.
    1982: MetPath was acquired by what was then known as Corning Glass Works, and subsequently renamed Corning Clinical Laboratories.
    1997: Quest Diagnostics becomes an independent company as a spin-off from Corning.
    1997: Acquires clinical laboratory division of Branford, CT-based Diagnostic Medical Laboratory, Inc. (DML)[4].
    1999: Acquires SmithKline Beecham Clinical Laboratories; GlaxoSmithKline still holds a large portion of Quest Diagnostics stock. The SmithKline Beecham acquisition includes a joint venture ownership with CompuNet Clinical Laboratory
    2000: Launch of Six Sigma program leading the charge to raise the quality of healthcare delivery in the United States.[5]
    2001: Completes acquisition of Ohio-based MedPlus, Inc. (NASDAQ: MEDP), a healthcare technology company.
    2002: Completes acquisition of Virginia-based American Medical Laboratories, Inc. (AML) and an affiliated company of AML, LabPortal, Inc., for approximately $500 million in cash.
    2003: Completes acquisition of California-based Unilab Corporation (NASDAQ: ULAB) in a transaction valued at approximately $800 million .
    2005: Completes acquisition of Kansas-based LabOne, Inc. (NASDAQ: LABS) for approximately $934 million.
    2006: Completes acquisition of Virginia-based Focus Diagnostics, Inc., an infectious and immunologic disease laboratory, for approximately $185 million in cash.
    2007: Quest Diagnostics celebrates its 10th year after being spun off from Corning.
    2007: Completes acquisition of Sweden-based Hemocue, a point-of-care diagnostic testing company.
    2007: Acquires AmeriPath (and subsidiary Specialty Laboratories) from Welsh, Carson, Anderson & Stowe, becoming the leading provider of cancer diagnostic testing services.

Posted by imran Monday, May 2, 2011


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