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, and rock drills, and (2) manufacturing mineral beneficiating machinery and equipment used in surface or underground mines. Cross-References. Establishments primarily engaged in--

["Manufacturing surface mining machinery and equipment--are classified in Industry 333120, Construction Machinery Manufacturing;","Manufacturing well drilling machinery--are classified in U.S. Industry 333132, Oil and Gas Field Machinery and Equipment Manufacturing;","Manufacturing coal and ore conveyors--are classified in U.S. Industry 333922, Conveyor and Conveying Equipment Manufacturing; and","Manufacturing underground mining locomotives--are classified in Industry 336510, Railroad Rolling Stock Manufacturing."]