Establishments primarily engaged in manufacturing special industry machinery, not elsewhere classified, such as smelting and refining equipment, cement making, clayworking, cotton ginning, glass making, hat making, incandescent lamp making, leather working, paint making, rubber working, cigar and cigarette making, tobacco working, shoe making, and stone working machinery, and industrial sewing machines, and automotive maintenance machinery and equipment.

• Ammunition and explosives loading machinery
• Anodizing equipment (except rolling mill lines)
• Bag sewing and closing machines (industrial sewing machines)
• Balancing equipment, automotive wheel
• Boot making and repairing machinery
• Brick making machines
• Broom making machinery
• Buttonhole and eyelet machines and attachments, industrial
• Cement making machinery
• Chemical kilns
• Chemical machinery and equipment
• Cigarette and cigar making machines
• Clayworking and tempering machines
• Concrete products machinery
• Control rod drive mechanisms for use on nuclear reactors
• Cork working machinery
• Degreasing machines, automotive (garage equipment)
• Degreasing machines, industrial
• Desalination equipment
• Die and hub cutting equipment (jewelry manufacturing)
• Drying kilns, lumber
• Electric screening equipment
• Electron tube making machinery
• Electroplating machinery and equipment, except rolling mill lines
• Foundry machinery and equipment
• Frame straighteners, automotive (garage equipment)
• Fur sewing machines
• Ginning machines, cotton
• Glass making machinery: blowing, molding, forming, grinding, etc.
• Hat making and hat renovating machinery
• Jewelers'machines
• Kilns: cement, wood, and chemical
• Lamp making machinery, incandescent
• Leather working machinery
• Metal finishing equipment for plating, except rolling mill lines
• Metal pickling equipment, except rolling mill lines
• Metal smelting and refining machinery, except furnaces and ovens
• Nuclear reactor control rod drive mechanisms
• Optical lens machinery
• Ozone machines
• Packup assemblies (wheel overhaul)
• Paint making machinery
• Petroleum refinery equipment
• Pharmaceutical machinery
• Plastics working machinery
• Pottery making machinery
• Robots, plastics: for molding and forming
• Rubber products machinery
• Rubber working machinery
• Scouring machines, tannery
• Semiconductor manufacturing machinery
• Sewing machines and attachments, Industrial
• Shoe making and repairing machinery
• Silver recovery equipment, electrolytic
• Stone tumblers
• Stone working machinery
• Synthetic filament extruding machines
• Tannery machines
• Tile making machines
• Tire grooving machines
• Tire retreading machinery and equipment
• Tire shredding machinery
• Tobacco products machinery
• Wheel mounting and balancing equipment, automotive
• Wood drying kilns
• Zipper making machinery