Company directory

Hoosier Spring Co., Inc.

Hoosier Spring Co., Inc. is a mid-sized custom manufacturer based in South Bend, United States, with listed capabilities in Clock & Clockwork Springs, Garter Springs and High Volume Springs.

Company type
Custom Manufacturer
Company size
Medium (50-500)
Country
United States

Key facts

Listed location
South Bend, Indiana, USA
Company type
Custom Manufacturer
Company size
Medium (50-500)
Founded
1954

Company record

Hoosier Spring Co., Inc. designs and manufactures custom springs for a broad range of demanding applications. The company holds ISO 9001:2015, AS9100D, NADCAP certifications and is ITAR‑registered, underscoring its compliance with stringent quality and defense standards. Spring material options include beryllium copper, chrome‑silicon, chrome‑vanadium, phosphor bronze, Inconel®, Monel®, titanium, stainless steel and high‑temperature alloys. Product offerings span cold‑wound, compression, conical, barrel, cylindrical, garter, clock, extension, magazine, torsion and wire‑form springs. In addition to spring fabrication, Hoosier Spring provides wire forming, grinding, passivation, plating, CNC machining and liquid‑penetrant inspection. The firm supports both prototype development and production runs from low to high volume. Typical end‑uses cover fuel‑filtering systems, turbines, aircraft wheels and brakes, metering pumps, valves and mechanical seals. Served markets include aerospace, automotive, military, agricultural, commercial, marine and nuclear power sectors. Operations are driven by lean manufacturing principles and Kaizen/5S practices.

Listed capabilities

  • Clock & Clockwork Springs
  • Garter Springs
  • High Volume Springs
  • Instrument Springs
  • Magazine Springs
  • Nickel Chromium Iron Alloy Springs
  • Nuclear Springs

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