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Quest Diagnostics | Company Profile

10/6/2025

Quest Diagnostics

Overview

Quest Diagnostics is a prominent healthcare company based in Secaucus, New Jersey, specializing in diagnostic information services. Established in 1967, it has become the largest provider of clinical laboratory testing services in the United States, serving a significant portion of the adult population and numerous healthcare providers annually.

The company offers an extensive array of laboratory services, including routine and advanced clinical testing across various medical fields such as genetics, oncology, and infectious diseases. It also supports pharmaceutical companies with clinical trial testing and the development of laboratory tests. Their Quest Clinical Trials Connect™ platform enhances clinical trial efficiency through improved patient recruitment and outreach. Quest Diagnostics operates a vast network of laboratories and patient service centers across multiple regions, including North America and Europe, and is recognized for innovation in the diagnostic industry. In 2022, Quest Diagnostics reported revenues of approximately $9.88 billion, highlighting its significant role in healthcare.

Basic Information

Industry medical practice
Founded 1967
Revenue $10.2B
Headquarters 500 Plaza Drive, Secaucus, NJ 07094, United States
Languages English
Alexa Ranking 5203

Contact Details

Key Focus Areas & Initiatives

  • Diagnostic testing information & services
  • Clinical testing
  • Cancer diagnostics & anatomic pathology services
  • Gene-based & other esoteric testing
  • Healthcare information technology solutions
  • Medical specialties
  • Health care
  • Medical & diagnostic laboratories
  • Lab quality control
  • Population health analytics
  • Health data analytics
  • Rare disease diagnostics
  • Personalized medicine diagnostics
  • Clinical research assays
  • Genetic testing
  • Medical research
  • Population health
  • Healthcare collaboration
  • Biomarker panel testing
  • Esoteric testing
  • Healthcare data
  • Advanced biomarker analysis
  • Population health management
  • Laboratory testing & diagnostics
  • Laboratory automation
  • Diagnostic innovation
  • Genomic data analytics
  • Healthcare improvement
  • Genetic variant analysis
  • Clinical expertise
  • Clinical laboratory software
  • Digital health solutions
  • Rare disease testing
  • Lab workflow automation
  • Lab management solutions
  • Test result reporting
  • Next-generation sequencing
  • Clinical laboratory
  • Biomarker testing
  • Biomarker validation
  • Laboratory services
  • Patient engagement
  • Genomic sequencing
  • Healthcare analytics
  • Lab automation platforms
  • Clinical trial testing support
  • COVID-19 testing
  • DNA sequencing services
  • Healthcare data exchange
  • Laboratory testing
  • Diagnostic services
  • Diagnostic testing
  • Clinical decision support
  • Healthcare services
  • Biomarker discovery
  • Diagnostic technology
  • Clinical genomics
  • Precision medicine testing
  • Healthcare solutions
  • Lab data management
  • Remote testing
  • Laboratory information systems
  • Biomarker-based screening
  • Healthcare IT
  • Patient portal
  • Lab management
  • Diagnostic insights
  • Patient results
  • Test development
  • Clinical research support
  • Clinical diagnostics
  • Medical laboratory
  • Digital health tools
  • Medical innovation
  • Test menu
  • Medical testing
  • Medical diagnostics
  • Healthcare data integration
  • Esoteric tests
  • Test ordering software
  • Lab analytics
  • Laboratory management
  • Specialty genetic tests
  • Healthcare data security
  • Molecular diagnostics
  • Advanced molecular testing
  • Pharmacogenomics
  • Laboratory network
  • B2B
  • B2C
  • E-commerce
  • D2C
  • Services
  • Retail
  • Medical and diagnostic laboratories
  • Data analytics
  • Hospitals
  • Life sciences
  • Customer service
  • Health insurance
  • Healthcare technology
  • Health, wellness & fitness
  • Consumer internet
  • Consumers
  • Internet
  • Information technology & services
  • Health & medical
  • Medical centers

Technologies Used

  • Angular JS v1
  • Microsoft Azure Hosting
  • Microsoft Office 365
  • OneTrust
  • Oracle Cloud
  • Remote
  • The Trade Desk

Affiliated Organizations & Regional Branches

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