NAICS
333131: Mining Machinery and Equipment Manufacturing
This U.S. industry comprises establishments primarily engaged in (1)
manufacturing underground mining machinery and equipment, such as coal
breakers, mining cars, core drills, coal cutters, rock drills and (2)
manufacturing mineral beneficiating machinery and equipment used in
surface or underground mines.
The data published with NAICS code 333131 include the following
SIC industry:
3532 Mining machinery