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About Quest Diagnostics
This profile covers Quest Diagnostics, a company employing 21-50 people, reporting $1M-$5M in annual revenue, classified under Medical and Diagnostic Laboratories and based in Bay Shore, New York, United States.
Its primary NAICS classification is 621511 (Medical Laboratories). Quest Diagnostics is one of 5,245,681 companies listed in New York.
Business Contact Information
- Address
- 180 E Main St, Bay Shore, New York, 11706, United States
Industry & Classification
NAICS Codes
- 62Health Care and Social Assistance
- 6215Medical and Diagnostic Laboratories
- 621511Medical Laboratories
SIC Codes
- 80Health Services
- 807Medical And Dental Laboratories
- 8071Medical Laboratories
Company Details
- Employees
- 28 (21-50)
- Annual Revenue
- $2.9M ($1M-$5M)
Quest Diagnostics: frequently asked questions
What does Quest Diagnostics do?
This profile covers Quest Diagnostics, a company employing 21-50 people, reporting $1M-$5M in annual revenue, classified under Medical and Diagnostic Laboratories and based in Bay Shore, New York, United States.
Where is Quest Diagnostics located?
Quest Diagnostics is headquartered at 180 E Main St, Bay Shore, New York, 11706, United States.
How many employees does Quest Diagnostics have?
Quest Diagnostics has about 28 employees (the 21-50 range).
What is Quest Diagnostics's annual revenue?
Quest Diagnostics's annual revenue is estimated at $2.9M (the $1M-$5M range).
What industry is Quest Diagnostics in?
Quest Diagnostics's primary NAICS code is 621511 (Medical Laboratories).
Largest companies in New York
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Manufacturing sales in New York, 2026
In New York, Factur's 2026 study counted 53 manufacturing quotes worth $5M and 8 purchase orders over 12 months: 15% of quotes became orders, against 21% nationally. See the New York data.
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