NAICS 333132 — Oil and Gas Field Machinery and Equipment Manufacturing 
BEA sector: Mining and oil and gas field machinery manufacturing
Activity: Bits, rock drill, oil and gas field-type, manufacturing
Activity: Christmas tree assemblies, oil and gas field-type, manufacturing
Activity: Derricks, oil and gas field-type, manufacturing
Activity: Drilling equipment, oil and gas field-type, manufacturing
Activity: Drilling rigs, oil and gas field-type, manufacturing
Activity: Gas well machinery and equipment manufacturing
Activity: Oil and gas field-type drilling machinery and equipment (except offshore floating platforms) manufacturing
Activity: Rock drill bits, oil and gas field-type, manufacturing
Activity: Water well drilling machinery manufacturing
Activity: Well logging equipment manufacturing