Quest Diagnostics


Quest Diagnostics Incorporated is a Fortune 500 company providing clinical laboratory services with headquarters in Madison, New Jersey.

The Fortune 500 is an annual list compiled and published by Fortune magazine that ranks 500 of the largest U.S. corporations by total revenue for their respective fiscal years.

New Jersey is a state in the northeastern and mid-Atlantic regions of the United States.

Quest Diagnostics Lab Tour 1 by KJO Media


Founded in 1967 as Metropolitan Pathology Laboratory, Inc., it became an independent corporation with the Quest name on December 31, 1996.

The Quest Diagnostics Difference by QuestDiagnosticsTV


In addition to the United States, Quest Diagnostics also runs operations in United Kingdom, Mexico, Brazil, Puerto Rico and a laboratory in India and also has collaborative agreements internationally with various hospitals and clinics.

Puerto Rico, officially the Commonwealth of Puerto Rico and formerly known as and sometimes called Porto Rico, is the largest insular territory of the United States, and it is located in the northeastern Caribbean Sea.

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom or Britain, is a sovereign state in Europe.

Brazil, officially the Federative Republic of Brazil, is the largest country in both South America and Latin America.


It is a member of the Fortune 500 and the S&P 500, with corporate headquarters located in Madison, New Jersey.

The Standard & Poor's 500, often abbreviated as the S&P 500, or just "the S&P", is an American stock market index based on the market capitalizations of 500 large companies having common stock listed on the NYSE or NASDAQ.


The company has approximately 44,000 employees, generates more than $7 billion in revenue and offers access to diagnostic testing services for cancer, cardiovascular disease, infectious disease and neurological disorders.

Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body.

Cardiovascular disease is a class of diseases that involve the heart or blood vessels.

A neurological disorder is any disorder of the nervous system.

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