Quest Diagnostics

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

• Laboratories Medical
• Laboratories Biological
• Laboratories Clinical Medical Diagnostic

North American Industry Classification System (NAICS) Categories:

• Medical Laboratories > Laboratories By Specialty, Except X-Ray > Laboratories Biological
• Medical Laboratories > Laboratories By Specialty, Except X-Ray > Laboratories Clinical Medical Diagnostic

Standard Industry Classification (SIC) Categories:

• Medical Laboratories > Laboratories By Specialty, Except X-Ray > Laboratories Biological
• Medical Laboratories > Laboratories By Specialty, Except X-Ray > Laboratories Clinical Medical Diagnostic