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

ISO 9001:2015

Compliance with the RoHS 3 (Restriction of Hazardous Substances) directive, limiting hazardous materials such as lead, mercury, cadmium, hexavalent chromium, PBB, and PBDE flame retardants in electronic and electrical products sold in the EU.

RoHS 3 Compliance

Compliance with the European Union's REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals) regulation, ensuring that chemical substances in manufactured products meet safety standards for human health and the environment.

REACH Compliance

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

Plymouth Spring manufactures precision springs, wire forms, and four-slide stampings for the automotive industry, supplying critical components used in seat recliners, throttle controls, and transmission systems to enhance vehicle performance and reliability.

Machinery, components, and smart-farming systems for modern field and indoor agriculture—tractors, harvesters, irrigation, hydroponic racks, and sensor platforms. Durability, efficiency, and data-driven performance support high-yield, sustainable agribusiness operations.

Agriculture & AgriTech

Plymouth Spring produces custom springs and wire forms for the agriculture industry, providing durable components used in machinery such as tractors and harvesters to support efficient and sustainable farming operations.

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

Plymouth Spring supplies high-precision springs and components for the aerospace and defense industry, manufacturing parts for flight control mechanisms and landing gear that meet stringent quality and certification standards.

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

Plymouth Spring manufactures precision-engineered springs and medical device components for the medical devices and healthcare equipment industry, ensuring tight tolerances and compliance with industry standards for surgical instruments and diagnostic equipment.

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

Plymouth Spring designs and produces precision springs and wire forms for industrial machinery and heavy equipment, supplying reliable components used in clamping devices, counterbalance systems, and automated assemblies to ensure high performance under demanding conditions.

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

Plymouth Spring offers custom manufacturing of springs, wire forms, and stampings across diverse general manufacturing applications, providing versatile and tailored solutions to meet unique project requirements in various industries.

Plymouth Spring Company, Inc. is a leading US-based manufacturer specializing in custom precision metal springs, stampings, and wire form parts. Located in Bristol, Connecticut, the company operates a facility equipped with 36 high precision CNC coiling machines and complete tool making capabilities. Plymouth Spring serves a diversified customer base of over 600 clients across industries including electrical, hardware, industrial, defense, automotive, medical, and electronics. The company holds ISO 9001:2015 certification and adheres to stringent quality standards such as ANSI, ASME, ASTM, DFARS, and MIL-Spec. Their manufacturing capabilities include compression, extension, torsion springs, four-slide and multi-slide stamping, wire forming, and secondary operations and assembly. Plymouth Spring emphasizes lean manufacturing, inventory management solutions like Kanban and JIT, and offers lead times typically between 3 to 4 weeks. With approximately 55 employees and annual revenue around $12 million USD, Plymouth Spring is part of the Lesjöfors Group and is recognized for its precision, innovation, and strong customer relationships.

This facility in Bristol, Connecticut is equipped with 36 high precision CNC coiling machines and complete tool making capabilities. It supports manufacturing of custom precision springs including compression, extension, torsion springs, wire forming, and four-slide stamping. The facility adheres to ISO 9001:2015 standards and supports lean manufacturing and inventory management solutions such as Kanban and JIT. It serves a diverse customer base across multiple industries with lead times typically between 3 to 4 weeks.

Plymouth Spring Manufacturing Facility

Custom manufacturer of precision springs, stampings, and wire forms with ISO 9001:2015 certification, serving diverse industries from their Bristol, CT facility.

Plymouth Spring

Precision Spring Manufacturing & Metal Forming

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