Company profile
Quest Diagnostics
Working together to create a healthier world, one life at a time.
- Industry
- Medical and Diagnostic Laboratories
- Employees
- 32,739
- Headquarters
- Secaucus, NJ
- Founded
- 1967
- LinkedIn followers
- 376,997
- Office locations
- 1
Quest Diagnostics company summary
Quest Diagnostics is a company in the Medical and Diagnostic Laboratories industry, headquartered in Secaucus, NJ, founded in 1967. On LinkedIn the company has around 32,739 employees and 376,997 followers. Warmrank detected 24 technologies across 17 categories on questdiagnostics.com, including Adobe, Adobe Dynamic Media Classic, Adobe Experience Manager. Its listed specialties include Diagnostic testing information and services, Clinical testing, cancer diagnostics and anatomic pathology services, Gene-based and other esoteric testing, Healthcare information technology solutions.
What technology does Quest Diagnostics use?
Warmrank detected 24 technologies on questdiagnostics.com, last checked July 2026. Click any tool to see other companies that use it.
DocuSignAnalytics
Linkedin Insight Tag
Mixpanel
Swiper
jQuery
MailChimp
Marketo
Apple iCloud Mail
Microsoft 365Advertising
Linkedin Ads
Adobe Experience ManagerCookie compliance
OneTrustCRM
SalesforceDigital asset management
Adobe Dynamic Media Classic
SendgridPayment processors
StripeProgramming languages
JavaSecurity
SSL/TLS certificate authorities
DigiCertTag managers
TealiumWeb servers
Apache HTTP ServerAbout Quest Diagnostics
Quest Diagnostics (NYSE: DGX) empowers people to take action to improve health outcomes. Derived from the world's largest database of clinical lab results, our diagnostic insights reveal new avenues to identify and treat disease, inspire healthy behaviors and improve health care management. Quest annually serves one in three adult Americans and half the physicians and hospitals in the United States, and our 47,000 employees understand that, in the right hands and with the right context, our diagnostic insights can inspire actions that transform lives. The company offers physicians the broadest test menu (3,000+ tests), is a pioneer in developing innovative new tests, is the leader in cancer diagnostics, provides anatomic pathology (AP) services, & interpretive consultation through its medical & scientific staff of about 900 M.D.s & Ph.D.s. The company reported 2020 revenues of $9.44 billion. Quest Diagnostics offers the most extensive clinical testing network in the U.S., with laboratories in most major metropolitan areas, & in Mexico, the UK & India. The company also operates four esoteric laboratories, 40 outpatient AP laboratories, & 160 smaller, rapid-response laboratories. Patients may have specimens collected in any of the company’s approximately 2,250 patient service centers. On a typical workday, testing is performed for about 550,000 patients. Quest Diagnostics empowers healthcare organizations & clinicians with state-of-the-art connectivity solutions. The company is the leading provider of pre-employment drugs-of-abuse screening for employers & risk assessment services for the life insurance industry. It is the world’s 2nd largest provider of clinical trials testing for new pharmaceuticals. More information is available at www.questdiagnostics.com. Language Assistance / Non-Discrimination Notice Asistencia de Idiomas / Aviso de no Discriminación 語言協助 / 不歧視通知 www.QuestDiagnostics.com/home/nondiscrimination
Specialties
Where is Quest Diagnostics located?
Quest Diagnostics lists 1 location.
Compare companies similar to Quest Diagnostics
More companies in Medical and Diagnostic Laboratories.
| Company | Industry | Employees | Founded | Headquarters |
|---|---|---|---|---|
Quest Diagnostics questdiagnostics.com | Medical and Diagnostic Laboratories | 32,739 | 1967 | Secaucus, NJ |
 Metropolis Healthcare metropolisindia.com | Medical and Diagnostic Laboratories | 3,739 | 1982 | Behind Glaxo, Worli |
 Dandy meetdandy.com | Medical and Diagnostic Laboratories | 1,953 | 2020 | New York, NY |
 Thyrocare Technologies Ltd. thyrocare.com | Medical and Diagnostic Laboratories | 3,779 | 1996 | Navi Mumbai, Maharashtra |
Alliança allianca.com | Medical and Diagnostic Laboratories | 2,748 | 2010 | São Paulo, SP |
Dasa dasa.com.br | Medical and Diagnostic Laboratories | 32,495 | - | São Paulo |
Frequently asked questions about Quest Diagnostics
What does Quest Diagnostics do?
Quest Diagnostics (NYSE: DGX) empowers people to take action to improve health outcomes. Derived from the world's largest database of clinical lab results, our diagnostic insights reveal new avenues to identify and treat disease, inspire healthy behaviors and improve health care management. Quest annually serves one in three adult Americans and half the physicians and hospitals in the United States, and our 47,000 employees understand that, in the right hands and with the right context, our diagnostic insights can inspire actions that transform lives. The company offers physicians the broadest test menu (3,000+ tests), is a pioneer in developing innovative new tests, is the leader in cancer diagnostics, provides anatomic pathology (AP) services, & interpretive consultation through its medical & scientific staff of about 900 M.D.s & Ph.D.s. The company reported 2020 revenues of $9.44 billion. Quest Diagnostics offers the most extensive clinical testing network in the U.S., with laboratories in most major metropolitan areas, & in Mexico, the UK & India. The company also operates four esoteric laboratories, 40 outpatient AP laboratories, & 160 smaller, rapid-response laboratories. Patients may have specimens collected in any of the company’s approximately 2,250 patient service centers. On a typical workday, testing is performed for about 550,000 patients. Quest Diagnostics empowers healthcare organizations & clinicians with state-of-the-art connectivity solutions. The company is the leading provider of pre-employment drugs-of-abuse screening for employers & risk assessment services for the life insurance industry. It is the world’s 2nd largest provider of clinical trials testing for new pharmaceuticals. More information is available at www.questdiagnostics.com. Language Assistance / Non-Discrimination Notice Asistencia de Idiomas / Aviso de no Discriminación 語言協助 / 不歧視通知 www.QuestDiagnostics.com/home/nondiscrimination
What technology does Quest Diagnostics use?
Warmrank detected 24 technologies on questdiagnostics.com, including Adobe, Adobe Dynamic Media Classic, Adobe Experience Manager, Apache HTTP Server, Apple iCloud Mail, Atlassian, DigiCert, DocuSign.
How many employees does Quest Diagnostics have?
Quest Diagnostics has around 32,739 employees on LinkedIn.
Where is Quest Diagnostics headquartered?
Quest Diagnostics is headquartered in Secaucus, NJ.
When was Quest Diagnostics founded?
Quest Diagnostics was founded in 1967.
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