About Quest Diagnostics

Quest Diagnostics operates 24 hours a day, 7 days a week, 365 days a year, providing our customers with a comprehensive menu of routine and specialty laboratory tests and services. With the consolidated capabilities of our regional laboratories, expanding international presence and the additional esoteric capabilities of Nichols Institute, we are able to offer unequaled convenience in utilizing one laboratory for all diagnostic and prognostic clinical testing needs.

What employees say

“I feel like I am making a difference.”
“I matter!”
“I feel they appreciate my hard work and dedication to the company.”
“I love the work that I do and I feel appreciated for doing it.”
Where to find Quest Diagnostics