Schlumberger

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

• Oil & Gas Well Service
• Seismograph Service

North American Industry Classification System (NAICS) Categories:

• Support Activities For Oil And Gas Operations
• Geophysical Surveying And Mapping Services > Oil & Gas Exploration Services > Seismograph Service

Standard Industry Classification (SIC) Categories:

• Oil & Gas Exploration Services > Oil & Gas Field Exploration Services > Seismograph Service
• Oil & Gas Field Services, Nec