National Oilwell Varco

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

• Oil Field Equipment & Supplies
• Drilling Oil & Gas Wells

North American Industry Classification System (NAICS) Categories:

• Drilling Oil And Gas Wells
• Industrial Machinery And Equipment Merchant Wholesalers > Petroleum Industry Machinery > Oil Field Equipment & Supplies

Standard Industry Classification (SIC) Categories:

• Drilling Oil & Gas Wells
• Industrial Machinery & Equipment > Petroleum Industry Machinery > Oil Field Equipment & Supplies