This U.S. Census Bureau NAICS-based industry comprises establishments primarily engaged in manufacturing general purpose machinery (except ventilating, heating, air-conditioning, and commercial refrigeration equipment; metal working machinery; engines, turbines, and power transmission equipment; pumps and compressors; material handling equipment; power-driven handtools; welding and soldering equipment; packaging machinery; industrial process furnaces and ovens; fluid power cylinders and actuators; fluid power pumps and motors; and scales and balances).

Cross-References. Establishments primarily engaged in--

• Producing machine and equipment parts, usually on a job or order basis--are classified in Industry 33271, Machine Shops;
• Manufacturing engine, turbine, and power transmission equipment--are classified in Industry Group 3336, Engine, Turbine, and Power Transmission Equipment Manufacturing;
• Manufacturing fluid power pumps and motors--are cla ssified in U.S. Industry 333996, Fluid Power Pump and Motor Manufacturing;
• Manufacturing fluid power cylinders and actuators--are classified in U.S. Industry 333995, Fluid Power Cylinder and Actuator Manufacturing;
• Manufacturing industrial process furnaces and ovens (except bakery)--are classified in U.S. Industry 333994, Industrial Process Furnace and Oven Manufacturing;
• Manufacturing packaging machinery--are classified in U.S. Industry 333993, Packaging Machinery Manufacturing;
• Manufacturing welding and soldering equipment (except handheld soldering irons)--are classified in U.S. Census Bureau NAICS-based industry 333992, Welding and Soldering Equipment Manufacturing;
• Manufacturing power-driven handtools--are classified in U.S. Industry 333991, Power-Driven Handtool Manufacturing;
• Manufacturing material handling equipment--are classified in Industry 33392, Material Handling Equipment Manufacturing;
• Manufacturing pumps and compre ssors--are classified in Industry 33391, Pump and Comressor Manufacturing;
• Manufacturing general purpose machinery--are classified in U.S. Census Bureau NAICS-based industry 3339991, Laboratory Centrifuges Manufacturing;
• Manufacturing metalworking machinery--are classified in Industry Group 3335, Metalworking Machinery Manufacturing;
• Manufacturing engine filters--are classified in U.S. Industry 336312, Gasoline Engine and Engine Parts Manufacturing;
• Manufacturing bakery ovens and cement, wood, and chemical kilns--are classified in U.S. Census Bureau NAICS-based industry 3332981, All Other Industrial Machinery Manufacturing, except Cotton Ginning Machinery and Parts;
• Manufacturing carnival and amusement park equipment, automotive maintenance equipment and coin-operated vending machines--are classified in Industry 33331, Commercial and Service Industry Machinery Manufacturing;
• Manufacturing ventilating, heating, air-conditioning (except mot or vehicle), and commercial refrigeration--are classified in Industry 33341,Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing; and
• Manufacturing mechanical jacks--are classified in U.S. Census Bureau NAICS-based industry 3322121, Hand and Edge Tool Manufacturing;
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• Manufacturing material handling equipment--are classified in Industry 33392, Material Handling Equipment Manufacturing;
• Manufacturing scales and balances (except laboratory)--are classified in U.S. Industry 333997, Scale and Balance (except Laboratory) Manufacturing;
• Manufacturing motor vehicle engine filters and pumps--are classified in Industry Group 3363, Motor Vehicle Parts Manufacturing;
• Manufacturing motor vehicle air-conditioning systems and compressors--are classified in U.S. Industry 336391, Motor Vehicle Air-Conditioning Manufacturing.