Automobile suspension springs, heavy gauge metal, manufacturing

Coiled springs (except clock, watch), light gauge, made from purchased wire or strip, manufacturing

Coiled springs, heavy gauge metal, manufacturing

Disk and ring springs, heavy gauge metal, manufacturing

Flat springs (except clock, watch), light gauge, made from purchased wire or strip, manufacturing

Flat springs, heavy gauge metal, manufacturing

Furniture springs, light gauge, unassembled, made from purchased wire or strip

Gun springs, light gauge, made from purchased wire or strip, manufacturing

Hairsprings (except clock, watch), light gauge, made from purchased wire or strip, manufacturing

Helical springs, hot wound heavy gauge metal, manufacturing

Helical springs, light gauge, made from purchased wire or strip, manufacturing

Instrument springs, precision (except clock, watch), light gauge, made from purchased wire or strip, manufacturing

Leaf springs, heavy gauge metal, manufacturing

Mattress springs and spring units, light gauge, made from purchased wire or strip

Sash balance springs, light gauge, made from purchased wire or strip

Springs and spring units for seats, light gauge, made from purchased wire or strip

Springs, heavy gauge metal, manufacturing

Springs, light gauge (except clock, watch), made from purchased wire or strip

Springs, precision (except clock, watch), light gauge, made from purchased wire or strip

Torsion bar, heavy gauge metal, manufacturing