ISO 13485:2016 specifies requirements for a quality management system for medical device manufacturers, emphasizing regulatory compliance, product safety, risk management, and traceability throughout the lifecycle of medical devices.

ISO 13485:2016

A global standard for quality management systems focusing on continuous improvement and customer satisfaction.

ISO 9001:2015

AS9100D is the 2016 revision of the aerospace Quality Management System (QMS) standard. It augments ISO 9001:2015 with aerospace-specific requirements for risk-based thinking, product safety, counterfeit-parts prevention, configuration management, and stringent supplier controls to ensure the safety and reliability of aviation, space, and defense products and services.

AS9100D

The design, manufacturing, and assembly of components and systems for passenger cars, commercial and off-highway vehicles, rail rolling stock, and emerging electric/Autonomous mobility platforms. High-volume production, IATF 16949 compliance, JIT supply chains, and continuous innovation ensure reliable powertrains, safety-critical systems, and cost-efficient delivery across a broad transportation landscape.

Automotive & Transportation

John Evans' Sons LLC designs and manufactures high-quality springs and assemblies for the automotive, trucking, and transportation industries, ensuring optimal safety and efficiency in vehicle components and systems.

The design and production of large‐scale machinery, automation systems, and heavy equipment for industrial applications, where reliability and performance are paramount. Adherence to ISO, ANSI, and other applicable standards supports continuous operation under high‐stress conditions, with custom‐engineered systems often required.

Industrial Machinery & Heavy Equipment

John Evans' Sons LLC provides precision-engineered springs and assemblies for industrial machinery and heavy equipment, supporting reliable performance and durability in demanding industrial automation and heavy-duty applications.

Design and manufacturing of precision instrumentation and analytical equipment utilized in laboratory, industrial, research, and testing environments. These instruments typically include spectrometers, chromatographs, microscopes, analytical sensors, and lab automation systems, built to strict accuracy standards and compliance requirements (ISO, ASTM, FDA, or equivalent).

Scientific Instrumentation & Analytical Equipment

John Evans' Sons LLC manufactures precision wire forms and spring components used in scientific instrumentation and analytical equipment, enabling accurate and reliable performance in laboratory and industrial research applications.

The design, manufacturing, and integration of high‐precision components, systems, and subsystems for commercial aircraft and military platforms, with emphasis on meeting stringent certifications such as AS9100, ITAR, and MIL‐STD. Priorities include advanced materials, rigorous quality assurance, and robust engineering to ensure reliability in mission‐critical applications.

Aerospace & Defense

John Evans' Sons LLC manufactures precision springs and assemblies specifically engineered for aerospace applications, providing high-precision components that meet stringent certifications and ensure reliability in commercial and military aircraft systems.

The development, manufacturing, and supply of precision-engineered medical systems, devices, and critical components, including diagnostic equipment, surgical instruments, implantable devices, laboratory systems, and precision medical components. Emphasizes adherence to ISO 13485 and FDA QSR standards, traceability requirements, sterile processing, rigorous validation, and use of biocompatible materials such as titanium, stainless steel, and medical-grade polymers to ensure patient safety and clinical effectiveness across global healthcare settings.

Medical Devices & Healthcare Equipment

John Evans' Sons LLC produces custom medical springs and components with precision machining and assembly capabilities, serving critical applications in medical devices such as surgical instruments, implantable devices, and diagnostic equipment.

The design, fabrication, and assembly of diverse products across multiple end‐use industries or specialized, project‐based needs. Emphasis is on versatility, custom solutions, and broad expertise to handle unique or varied manufacturing projects outside of more narrowly defined sectors.

General Manufacturing

John Evans' Sons LLC offers versatile precision fabrication and assembly of springs and components across diverse manufacturing projects, delivering custom solutions for specialized industrial needs beyond narrowly defined sectors.

John Evans' Sons LLC, established in 1850, is America's oldest spring manufacturer, specializing in precision springs, wire forms, mechanical assemblies, and stampings. Located in Lansdale, PA, the company serves demanding industries including aerospace, medical devices, military, window manufacturing, electric motors, and more. Certified to ISO 9001:2008 standards, John Evans' Sons is committed to quality management and continuous improvement. Their manufacturing facility is equipped to produce custom and standard springs with advanced technical expertise, offering outstanding customer service and technical support for diverse industrial applications.

The primary manufacturing facility of John Evans' Sons LLC located in Lansdale, PA, producing precision springs, wire forms, mechanical assemblies, and stampings. This facility supports a wide range of industries including aerospace, medical, military, and industrial applications. It is certified to ISO 9001:2008 quality management standards, ensuring high-quality production and customer satisfaction.

John Evans' Sons Manufacturing Plant

America's oldest spring manufacturer specializing in precision springs and assemblies for aerospace, medical, military, and industrial markets.

John Evans' Sons

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