John Evans' Sons, LLC

Springs & Wire Forms ManufacturerLansdale, PAManufacturer Approved

Custom Springs & Constant-Force Assemblies

Founded in 1850 and now part of Beijer Components, with Lesjöfors serving as a core commercial spring brand, John Evans’ Sons engineers and manufactures constant-force, spiral torsion, power, helical, and flat...

3-8 Weeks Lead Times
1850 Founded
51-100 Employees
$25-40mRevenue

Industry Focus: Aerospace & DefenseMedical Devices & Healthcare EquipmentIndustrial Machinery & Heavy EquipmentAutomotive & TransportationScientific Instrumentation & Analytical EquipmentGeneral ManufacturingConstruction Products & Building MaterialsIndustrial Robotics & Automation SystemsPoint-of-Purchase (POP) & Retail DisplaysHVAC, Climate Control & RefrigerationData Centers & Critical Facilities

Precision Spring & Wire Forming
Helical Shock & Vibration Isolators
Rapid Spring Prototyping & Design Engineering
Turnkey Mechanical Spring Assemblies
Precision Micro Spring Manufacturing

Technical Capability

Precision Spring & Wire Forming

John Evans’ Sons produces custom helical, flat‑strip and constant‑force springs plus complex wire forms by combining multi‑axis CNC coiling, progressive die/fourslide stamping and proprietary strip‑coiling equipment. Round‑wire diameters fr...

Supported Processes

Spring Wire FormingCNC Spring CoilingConstant/Variable-Force Strip Spring FormingFlat Spring Progressive StampingLaser / Waterjet Blanking (Springs)Heat-Treating & Thermal ProcessingSpring End GrindingSpring Passivation & ElectropolishingSpring Shot PeeningPowder & Polymer Coatings (Springs)Black Oxide & Phosphate Conversion Coatings (Springs)Engineering & Design Services

John Evans' Sons, LLC

Custom Springs & Constant-Force Assemblies

Precision Spring & Wire Forming

Supported Processes

Business Entity

Technical Capabilities