Rankings and Reputation
Quest Diagnostics is a component of the S&P 500.
Quest Diagnostics is ranked 277 on the Barron's 500 ranking of top-performing large companies (2017).
Quest Diagnostics is among FORTUNE® Magazine's 2019 World's Most Admired Companies®, our fourth consecutive year on the list.
Quest Diagnostics is ranked among Forbes® 2019 America's Best Large Employers, our third consecutive year on the list.
Quest Diagnostics is included in several sustainability indices, including Dow Jones World, FTSE4Good, Calvert, KLD, Ocean Tomo.
Quest Diagnostics among Forbes® 2019 America's Best Employers for Women.
Quest Diagnostics is a DiversityInc Noteworthy Company for the third consecutive year.
Quest Diagnostics is among DEI 2019 Best Places to Work for Disability Inclusion
Quest Diagnostics is ranked on the Forbes2019 Global 2000.
Quest Diagnostics is among FORTUNE® Magazine's 2019 FORTUNE 500® companies.
Quest Diagnostics among companies listed in the most recent Newsweek Green Rankings.