33313M Mining and Oil and Gas Field Machinery Manufacturing

This industry comprises establishments primarily engaged in the following North American Industry Classification System (NAICS) industries:

  1. 333131 Mining Machinery and Equipment Manufacturing and
  2. 333132 Oil and Gas Field Machinery and Equipment Manufacturing.

333131 Mining Machinery and Equipment Manufacturing

This industry comprises establishments primarily engaged in one or more of the following manufacturing activities:

  1. underground mining machinery and equipment, such as coal breakers, mining cars, core drills, coal cutters, and rock drills and
  2. mineral beneficiating machinery and equipment used in surface or underground mines.

333132 Oil and Gas Field Machinery and Equipment Manufacturing

This industry comprises establishments primarily engaged in one or more of the following manufacturing activities:

  1. oil and gas field machinery and equipment, such as oil and gas field drilling machinery and equipment; oil and gas field production machinery and equipment; and oil and gas field derricks; and
  2. water well drilling machinery.