Establishments primarily engaged in manufacturing machinery and equipment and parts, not elsewhere classified, such as amusement park equipment and flexible metal hose and tubing. This industry also includes establishments primarily engaged in producing or repairing machinery and equipment parts, not elsewhere classified, on a job or order basis for others. Establishments primarily engaged in manufacturing motor vehicle engine filters are classified in Industry 3714, and those manufacturing coin-operated amusement machines are classified in Industry 3999.

• Amusement rides for carnivals
• Bellows, industrial: metal
• Boiler tube cleaners
• Carousels (merry-go-rounds)
• Catapults
• Chemical milling job shops
• Cleaners, boiler tube
• Crankshaft and camshaft machining
• Cups, oil and grease: metal
• Electrical discharge machining (EDM)
• Fan forges
• Ferris wheels
• Filters, internal combustion engine: oil, gasoline, air intake, except
• Grinding castings for the trade
• Hose, flexible metallic
• Leak detectors, water
• Machine shops, jobbing and repair
• Propellers, ship and boat: machined
• Riddles, sand (hand sifting or screening apparatus)
• Sludge tables
• Swage blocks
• Ties, form: metal
• Tubing, flexible metallic
• Weather vanes