Best Custom Spring Manufacturers - June 2026

Associated Spring is a premier provider of custom springs and metal components. Known for their engineering prowess, they serve complex industries including aerospace and medical, offering high-performance materials and advanced manufacturing techniques for critical applications.

Lee Spring is a highly reliable manufacturer offering both extensive catalog parts and bespoke custom spring solutions. Their agile manufacturing processes allow them to cater to both prototype development and high-volume industrial production with excellent quality control.

MW Industries focuses on complex custom spring designs for the medical, energy, and aerospace sectors. Their technical capabilities and commitment to lean manufacturing make them a top-tier partner for companies requiring precision engineering and high-reliability components.

Smalley is renowned for their innovative wave spring technology. They provide custom solutions that save space and weight compared to traditional coil springs. Their design software and technical expertise make them a go-to for space-constrained engineering challenges.

Century Spring provides a broad spectrum of custom spring services, from design to mass production. They are highly regarded for their customer service and ability to handle both small batch custom orders and large-scale manufacturing requirements effectively.

Specializing in heavy-duty and leaf springs, Betts Spring has a strong heritage in industrial manufacturing. They excel in producing rugged, high-strength springs designed for automotive, trucking, and industrial machinery where durability is the primary requirement.

Diamond Wire Spring delivers high-quality custom springs with a strong focus on precision and material integrity. Their manufacturing processes are designed for versatility, allowing them to produce intricate spring designs for specialized machinery and equipment components.

Springs Manufacturers focuses on efficiency and precision. By utilizing automated coiling machinery, they provide competitive pricing for high-volume custom orders while maintaining rigorous quality assurance standards for global industrial clients.

Peninsula Spring serves demanding industries including medical and telecommunications. They utilize advanced CNC spring coiling technology to ensure extremely tight tolerances and repeatable results for complex geometries, making them ideal for high-precision projects.

Industrial Spring Company excels in heavy-gauge wire applications. Their manufacturing focus is on robustness and reliability, providing custom springs that endure extreme environmental conditions. They are a preferred supplier for heavy machinery and structural engineering sectors.

Master Spring offers a comprehensive range of spring manufacturing services including custom wire forms. Their ability to integrate custom wire forming with precision spring coiling allows them to offer complete component solutions, simplifying the supply chain for their clients.

North American Spring is a reliable domestic manufacturer focusing on quality and timely delivery. They utilize state-of-the-art coiling machines to provide custom springs for the consumer goods, automotive, and appliance markets with high efficiency.

Murphy & Read Spring is known for its craftsmanship in spring manufacturing. They focus on maintaining traditional quality standards while integrating modern testing equipment, ensuring that every custom spring meets exact specifications for durability and performance.

International Spring provides extensive custom engineering and manufacturing services. Their facilities handle a wide array of spring types, including compression, extension, and torsion springs, catering to industries that require global distribution and consistency.

Acme Spring specializes in precision, small-diameter custom springs. Their clean-room manufacturing capabilities and tight quality control make them a preferred partner for medical device manufacturers needing highly reliable, consistent, and clean components.