Insights

Dedicated to Innovation Quest Diagnostics is actively expanding its diagnostic services with the launch of advanced pharmacogenomic laboratory tests and broadening access to laboratory-developed tests like Haystack MRD, indicating opportunities for partnership in cutting-edge laboratory testing and personalized medicine solutions.

Strategic Presence Changes Recent office closures and relocations, such as those in Keene, New Hampshire, suggest a focus on optimizing regional operations, which could open avenues for new service contracts and location-based collaborations in targeted markets.

Event Participation Participation in prominent healthcare conferences like ASH and Baird 2025 demonstrates proactive engagement with industry leaders, creating potential for strategic alliances, joint research initiatives, and subscription-based diagnostic solutions aligned with emerging market trends.

Technology Utilization Utilization of advanced tech stacks, including Apache Kafka, Selenium, and scikit-learn, indicates high-level data and automation capabilities that can be leveraged to deliver innovative diagnostics and predictive analytics services to healthcare providers and insurers.

Financial and Market Position With revenues ranging from $250M to $500M and a workforce nearing 1,000 employees, Quest Diagnostics is positioned as a significant player in diagnostics and health testing, presenting opportunities for value-added services, strategic partnerships, and expansion into new diagnostic verticals.

Quest Diagnostic Tech Stack

Quest Diagnostic uses 8 technology products and services including Apache Kafka, CIM Technologies, Selenium, and more. Explore Quest Diagnostic's tech stack below.

  • Apache Kafka
    Big Data Processing
  • CIM Technologies
    Cad & Graphics
  • Selenium
    Frameworks And Libraries
  • Relatient
    Health Platform
  • Siemens
    IT
  • scikit-learn
    Machine Learning
  • Xactly
    Sales Performance Management
  • Cisco VPN
    Virtual Private Networks

Media & News

Quest Diagnostic's Email Address Formats

Quest Diagnostic uses at least 1 format(s):
Quest Diagnostic Email FormatsExamplePercentage
F.Last@questdiagnostics.comJ.Doe@questdiagnostics.com
65%
LastF@questdiagnostics.comDoeJ@questdiagnostics.com
25%
First.Last@questdiagnostics.comJohn.Doe@questdiagnostics.com
7%
First.M.Last@questdiagnostics.comJohn.M.Doe@questdiagnostics.com
3%

Frequently Asked Questions

Where is Quest Diagnostic's headquarters located?

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Quest Diagnostic's main headquarters is located at 3131 Lakeland Hills Boulevard #4 Lakeland, Florida 33805 United States. The company has employees across 3 continents, including North AmericaAsiaEurope.

What is Quest Diagnostic's phone number?

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You can contact Quest Diagnostic's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Quest Diagnostic's official website and social media links?

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Quest Diagnostic's official website is questdiagnostics.com and has social profiles on LinkedIn.

How much revenue does Quest Diagnostic generate?

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As of February 2026, Quest Diagnostic's annual revenue is estimated to be $7.7B.

What is Quest Diagnostic's NAICS code?

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Quest Diagnostic's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Quest Diagnostic have currently?

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As of February 2026, Quest Diagnostic has approximately 645 employees across 3 continents, including North AmericaAsiaEurope. Key team members include Sales Director: B. J.Director, Infrastructure Services - Data Network/Network Security: C. M.Q-Suite Project Manager - Commercial: D. D.. Explore Quest Diagnostic's employee directory with LeadIQ.

What industry does Quest Diagnostic belong to?

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Quest Diagnostic operates in the IT Services and IT Consulting industry.

What technology does Quest Diagnostic use?

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Quest Diagnostic's tech stack includes Apache KafkaCIM TechnologiesSeleniumRelatientSiemensscikit-learnXactlyCisco VPN.

What is Quest Diagnostic's email format?

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Quest Diagnostic's email format typically follows the pattern of F.Last@questdiagnostics.com. Find more Quest Diagnostic email formats with LeadIQ.

Quest Diagnostic

IT Services and IT ConsultingFlorida, United States501-1000 Employees

Quest Diagnostic is an information technology and services company based out of 3131 Lakeland Hills Blvd # 4, Lakeland, Florida, United States.

Section iconCompany Overview

Headquarters
3131 Lakeland Hills Boulevard #4 Lakeland, Florida 33805 United States
Phone number
NAICS Code
5415 - Computer Systems Design and Related Services
Employees
501-1000

Section iconFunding & Financials

  • $250M$500M

    Quest Diagnostic's revenue is estimated to be in the range of $250M$500M

Section iconFunding & Financials

  • $250M$500M

    Quest Diagnostic's revenue is estimated to be in the range of $250M$500M

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