Establishments primarily engaged in manufacturing rolling mill machinery and processing equipment for metal production, such as cold forming mills, structural mills, and finishing equipment.

• Bar mills
• Billet mills
• Blooming and slabbing mills
• Cleaning lines, electrolytic (rolling mill equipment)
• Cold forming type mills (rolling mill machinery)
• Ferrous and nonferrous mill equipment, auxiliary
• Finishing equipment, rolling mill
• Galvanizing lines (rolling mill equipment)
• Hot strip mill machinery
• Mill tables (rolling mill equipment)
• Picklers and pickling lines, sheet and strip (rolling mill equipment)
• Pipe and tube mills
• Plate rolling mill machinery
• Rod mills (rolling mill equipment)
• Roller levelers (rolling mill machinery)
• Rolling mill machinery and equipment
• Rolls for rolling mill machinery, machined
• Steel rolling machinery
• Straightening machinery (rolling mill equipment)
• Structural mills (rolling mill machinery)
• Tube mill machinery