Incorporated is a US public company having their locations in several countries globally. The main headquarters of the company is situated in Madison, New Jersey, United States. As of 2015 records, the revenue of the company was US$ 7.5 billion, whereas their total assets in the same year were US$ 10 billion. There are more than 44,000 individuals employed by the company through which they control operations in countries, such as Puerto Rico, Mexico, India, United Kingdom, Brazil, and United States. The company is known for diagnostic testing services for infectious disease, neurological disorders, cancer, and cardiovascular disease. This healthcare testing company operate on New York Stock Exchange as DGX and is a component of S&P 500.
The company was established in 1967 by Paul A. Brown as Metropolitan Pathology Laboratory with a single branch in New York City. Two years later, they changed their name to MetPath in 1969. They were acquired by Corning Glass Works in 1982 who changed its name to Corning Clinical Laboratories. In next few years, they acquired many companies, such as Diagnostic Medical Laboratory, Beecham Clinical Laboratories, AmeriPath, Athena Diagnostics, Unilab Corporation, American Medical Laboratories, and many more.
After 2010, Quest Diagnostics has acquired companies, such as Lab Partners Group, Cleveland Heart Lab, and Summit Health.
Some major solutions offered by the company are testing services for various medical conditions, such as diabetes, genetics, bleeding, cancer, HIV, and many more. For companies & organizations, they have clinical trials, health plans, and life insurances.