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Products & Services
About Quest Diagnostics
Quest Diagnostics is listed as a company based in Secaucus, New Jersey, United States and employing 48,000 people.
Quest Diagnostics is one of 1,254,715 companies listed in New Jersey.
Business Contact Information
- Phone
- +1 (800) 2220446
- Address
- 500 Plaza Drive, Secaucus, New Jersey, 07094, United States
Company Details
- Employees
- 48,000
Quest Diagnostics: frequently asked questions
What does Quest Diagnostics do?
Quest Diagnostics is listed as a company based in Secaucus, New Jersey, United States and employing 48,000 people.
Where is Quest Diagnostics located?
Quest Diagnostics is located at 500 Plaza Drive, Secaucus, New Jersey, 07094, United States.
How many employees does Quest Diagnostics have?
Quest Diagnostics has about 48,000 employees.
How can I contact Quest Diagnostics?
Its website is www.questdiagnostics.com and its phone number is +1 (800) 2220446.
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Manufacturing sales in New Jersey, 2026
In New Jersey, Factur's 2026 study counted 25 manufacturing quotes worth $3.1M and 4 purchase orders over 12 months: 16% of quotes became orders, against 21% nationally. See the New Jersey data.
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