Top 10 Canted Coil Spring Manufacturers in the World: A Global Overview of Specialized Producers

Canted coil springs, also known as slant coil springs, play a critical role in applications requiring precise load control, electrical conductivity, mechanical locking, EMI shielding, and most notably, the energizing of PTFE and polymer sealing systems.
Because these springs are highly specialized and difficult to manufacture at tight tolerances, only a limited number of companies worldwide produce them.

This list does not rank manufacturers by size or revenue.
Instead, it highlights 10 globally recognized or emerging producers with publicly available product data, technical documentation, or export capability related to canted coil springs.

Below is a global overview of representative manufacturers across North America, Europe, and Asia.

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1. iConn Engineering (USA)

iConn Engineering focuses on precision canted coil springs designed for electrical connectors, pressure relief mechanisms, and high-performance mechanical assemblies. Their springs are known for consistent electrical contact, making them suitable for demanding aerospace and defense systems.

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2. Coiling Technologies (USA)

Coiling Technologies offers custom-made canted coil springs for critical industries such as automotive, aerospace, oil & gas, and medical devices. The company specializes in solutions requiring reliable conductivity, EMI shielding, latching force, and spring-energized sealing components.

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3. Eclipse Engineering (USA)

Eclipse Engineering supplies both standard and custom canted coil spring seals. Their engineering database and size availability make them a common resource for PTFE seal designers looking for rapid prototyping or alternative energizer solutions.

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4. Bal Seal Engineering (USA)

Bal Seal Engineering is one of the most recognized names in the industry, known for their Bal Spring® canted coil spring technology. Their products serve high-end markets such as medical implants, semiconductor equipment, and advanced motion control systems.

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5. Clifford Springs Ltd (United Kingdom)

Located in the UK, Clifford Springs is often referenced as one of the few European manufacturers capable of producing true canted coil springs. Their products are used in sealing components, valve mechanisms, precision actuators, and electrical applications.

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6. RPK Group (Spain / Global)

RPK Group manufactures customized canted coil springs as part of its precision components portfolio. Their broad engineering capability and international production footprint allow them to serve a diverse base of industrial and automotive customers.

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7. Western Spring Manufacturing (USA)

Western Spring produces canted coil spring energizers and precision spring solutions for medical equipment, aerospace assemblies, and industrial applications. Their engineering team supports small-batch prototyping and custom designs.

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8. Advanced EMC Technologies (USA)

Advanced EMC provides FlexForce™ canted coil springs designed for electrical reliability, EV connectors, and sealing systems. Their focus on conductive applications has made them a preferred supplier in emerging electric mobility markets.

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9. MW Components (USA)

MW Components offers canted coil (slant coil) springs for medical, aerospace, and industrial applications. With multiple facilities across the United States, they combine broad manufacturing capabilities with specialized engineering support.

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10. Ivex Precision Spring (Taiwan) — Emerging Global Supplier

Ivex is an emerging Asian supplier gaining visibility among international seal manufacturers due to its exclusive focus on precision energizer springs.

Unlike general-purpose spring factories, Ivex specializes only in energizer-grade components, including:

• Canted coil springs

• Cantilever energizer springs

• Helical energizer springs

These springs are engineered specifically for PTFE, UHMW-PE, PEEK, and other polymer sealing systems that require precise spring loads and tight dimensional tolerance.

Ivex supports global customers with:

• Custom spring geometries

• Controlled spring loads and deflection curves

• Stainless steel / Inconel material traceability

• Cleanroom-level packaging

• High repeatability for seal energizer applications

As one of the few dedicated energizer spring producers based in Asia, Ivex is increasingly recognized as a rising competitor to established Western brands.

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Looking for a Reliable Supplier of Canted Coil or Energizer Springs?

If your company designs spring-energized seals, PTFE seals, rotary seals, or high-performance connectors, and you need a partner focused solely on energizer-grade springs, Ivex Precision Spring offers a specialized product line designed specifically for these applications.

Whether you need:

• Custom canted coil spring profiles

• Optimized spring load curves

• Seal-grade helical or cantilever energizers

• Material options such as 301/302 SS, 316 SS, or Inconel

Ivex can support your prototype and production requirements.

Contact Ivex today to discuss your application or request custom spring samples.