Quest Diagnostics and Labcorp both appeared on a recent list from Forbes that ranked the world's best 800 companies to work at.
Out of the 800 companies listed, Quest Diagnostics was ranked 615th and Labcorp placed 760th, according to Forbes' list.
The rankings were created in partnership with Statista, which surveyed 150,000 full-time and part-time employees from more than 50 countries. Factors that influenced the rankings included corporate image, talent development, gender equality and social responsibility.