33313 Mining and Oil and Gas Field Machinery Manufacturing

Official definition

This industry comprises establishments primarily engaged in manufacturing oil and gas field and underground mining machinery and equipment.

Examples Census gives

• Coal breakers, cutters, and pulverizers manufacturing
• Core drills, underground mining-type, manufacturing
• Mineral processing and beneficiating machinery manufacturing
• Mining cars manufacturing
• Oil and gas field-type derricks manufacturing
• Oil and gas field-type drilling machinery and equipment (except offshore floating platforms) manufacturing
• Stationary rock crushing machinery manufacturing
• Water well drilling machinery manufacturing

Source: US Census Bureau, 2022 NAICS descriptions.

When to use a different code

Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:

• Manufacturing offshore oil and gas well drilling and production floating platforms are classified in Industry 33661, Ship and Boat Building.
• Manufacturing surface mining machinery and equipment are classified in Industry 33312, Construction Machinery Manufacturing.
• Manufacturing coal and ore conveyors are classified in Industry 33392, Material Handling Equipment Manufacturing.
• Manufacturing underground mining locomotives are classified in Industry 33651, Railroad Rolling Stock Manufacturing.
• Manufacturing pumps and pumping equipment are classified in Industry 33391, Pump and Compressor Manufacturing.

Source: US Census Bureau, 2022 NAICS cross-references.

Codes in 33313

• 333131Mining Machinery and Equipment Manufacturing
• 333132Oil and Gas Field Machinery and Equipment Manufacturing