Fennell Spring Company

Spring Manufacturing that is Responsive, Reliable, and Certified

Fennell Spring Company supplies precision springs and wire forms to industries worldwide that include automotive, commercial, industrial, government, aerospace, medical and more.

Operating from a 65,000 square foot, state-of-the-art spring manufacturing plant in Horseheads, NY, Fennell offers unbeatable floor-to-door turnaround time and prototype development. The diverse variety of spring types offered include precision compression, extension, torsion and clutch, conduit, as well as custom wire forms. Diameter capabilities range from of .005" to .3175"— all offered in a variety of raw and pre-plated materials to meet prototype and ongoing production needs.

Markets served
  • Aerospace
  • Automotive
  • Battery
  • Power Generation
  • Commercial/Industrial
  • Computer
  • Connector
  • Electronics
  • Defense/Firearms
  • Military
  • Marine
  • Medical
  • Lighting
  • Semiconductor
  • Valve
Product Capabilities
  • Wire Diameter: .005" to .3175"
  • Length: Up to 275'
  • Angular Tolerances/Bend Angle: +/- 3 Degrees
  • Angular Tolerances/Free Angle: +/- 10 Degrees
  • Linear Tolerance: +/-0.5mm Radius: +/- 0.5mm
Maretrials Used
  • Alloys
  • Brass & Bronze
  • Music Wire
  • Pre Plated Music Wire (Alumar, Gaitan, Bezinal)
  • OTCS
  • OTMB / Hard Drawn
  • Shaped Material
  • Stainless Steel
Primary Process Capabilities
  • 65 Coiling Centers
  • lnline & Batch Stress Relief
  • Automated Processes For Efficiency
Secondary & Finishing Operations
  • Grinding 
  • Keyence Vision System For Inspection 
  • 100% Inspection/Gauging
  • Oil Dip For Rust Prevention
  • Painting/Dyeing
  • Shot Peening/Tumbling
  • Special Packaging




MARN, Inc.
590 Middlebury Road
P.O. Box 1205
Middlebury, CT 06762


MARN (Manufacturers Resource Alliance Network) is a woman-owned company focused on helping manufacturing companies in the U.S. succeed through improved sales strategies, supplemental sales support, and the facilitation of value-added resource networking.

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