Quest Diagnostics

Quest Diagnostics is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Health Care
• Laboratories Medical

North American Industry Classification System (NAICS) Categories:

• Medical Laboratories
• All Other Miscellaneous Ambulatory Health Care Services > Health Care

Standard Industry Classification (SIC) Categories:

• Medical Laboratories
• Health And Allied Services, Nec > Health Care