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Holiday schedule

Our Patient Service Centers will be closed on Wednesday, December 25, 2024 in observance of Christmas and Wednesday, January 1, 2025 in observance of New Year's Day. Have a healthy, happy holiday.

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Quest Diagnostics

Suppliers

Procurement terms
Supplier diversity
Routing Guide

How we do business

The Corporate Procurement Organization manages the acquisition of products and services, and serves as the primary interface to our internal organizations for all supplier interactions. Quest Diagnostics awards business to suppliers based on a competitive procurement process, focusing on continuous improvement in technologies, practices, quality, service and total cost.
Stair Case in the Quest Clifton Lab - "This cutting-edge engine is powered by world-class people"

Selection criteria

The competitive bid process enables qualified suppliers to compete for our business. The criteria used to evaluate and select suppliers for best overall value is the same for large and small businesses

Become a Quest Supplier

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Suppliers

Our company

Quest® is the brand name used for services offered by Quest Diagnostics Incorporated and its affiliated companies. Quest Diagnostics Incorporated and certain affiliates are CLIA-certified laboratories that provide HIPAA-covered services.  Other affiliates operated under the Quest® brand, such as Quest Consumer Inc., do not provide HIPAA-covered services. 

 

Quest®, Quest Diagnostics®, any associated logos, and all associated Quest Diagnostics registered or unregistered trademarks are the property of Quest Diagnostics. All third-party marks—® and ™—are the property of their respective owners. © 2024 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.