Quest Diagnostics Inc

Laboratory testing company · Secaucus, New Jersey, United States · NYSE: DGX

Quest Diagnostics Inc is a laboratory testing company headquartered in Secaucus, New Jersey, United States. Its shares trade on NYSE under the ticker DGX. The US FDA lists 1 medical device site registered to the company.

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Quest Diagnostics at a glance

Typelaboratory testing company
HeadquartersSecaucus, New Jersey, United States
Stock listingNYSE: DGX
SEC industryServices-Medical Laboratories
FDA-registered sites1
SEC CIK1022079

What does Quest Diagnostics do?

Device types listed with the FDA

Assays to detect pre-existing antibodies to adeno-associated virus (aav) viral vectors

Where is Quest Diagnostics located?

Headquarters: Secaucus, New Jersey, United States

  • San Juan Capistrano, CaliforniaQuest Diagnostics Nichols Institute · FDA device site

Frequently asked questions about Quest Diagnostics

Where is Quest Diagnostics headquartered?

Quest Diagnostics Inc is headquartered in Secaucus, New Jersey, United States.

What does Quest Diagnostics do?

Quest Diagnostics Inc is a laboratory testing company. Its SEC industry classification is Services-Medical Laboratories.

Is Quest Diagnostics a public company?

Yes. Quest Diagnostics Inc trades on NYSE under the ticker DGX.

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Last updated 2026-09-23. Data licences