Establishments primarily engaged in manufacturing wire springs from purchased wire. Establishments primarily engaged in assembling wire bedsprings or seats are classified in Major Group 25.
- Clock springs, precision: made from purchased wire
- Furniture springs, unassembled: made from purchased wire
- Gun springs, precision: made from purchased wire
- Hairsprings, made from purchased wire
- Instrument springs, precision: made from purchased wire
- Mechanical springs, precision: made from purchased wire
- Sash balances, spring
- Spring units for seats, made from purchased wire
- Springs, except complete bedsprings made from purchased wire
- Upholstery springs, unassembled: made from purchased wire