Northern Testing

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

• Laboratories Clinical Medical Diagnostic
• Oil & Gas Well Service

North American Industry Classification System (NAICS) Categories:

• Support Activities For Oil And Gas Operations
• Medical Laboratories > Laboratories By Specialty, Except X-Ray > Laboratories Clinical Medical Diagnostic

Standard Industry Classification (SIC) Categories:

• Oil & Gas Field Services, Nec
• Medical Laboratories > Laboratories By Specialty, Except X-Ray > Laboratories Clinical Medical Diagnostic