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About SP Spring

Precision-made compression, extension, torsion, and wire forms—built to meet your exact specifications.

SPS TIMELINE

60 Years of Family Leadership and Innovation

For more than 60 years, Southern Precision Spring has proudly served as a trusted, family-owned leader in the spring manufacturing industry, producing high-quality wire products in Charlotte, North Carolina.

 

Founded in 1956 by President Hugh Duncan Sr., the company established a strong reputation for precision craftsmanship, dependable service, and long-term customer relationships. In 1995, Hugh Duncan Jr. assumed leadership and made an immediate impact by investing in new technology and automation, helping modernize operations while preserving the company’s commitment to quality and reliability.

 

In 2025, Hugh Duncan Jr. officially retired and passed leadership to his son, William, who continues to guide the company forward with a focus on strengthening its culture and developing the next generation of skilled spring makers in Charlotte.

Today, Southern Precision Spring serves a wide range of industries that depend on durable, precision-manufactured wire products for demanding applications. With deep engineering knowledge and advanced manufacturing capabilities, the company produces custom spring and wire form solutions designed to meet exact customer specifications. From concept to production, the team works closely with customers to support performance requirements, tight tolerances, and application-specific needs. This combination of heritage, industry experience, and engineering capability allows Southern Precision Spring to remain a reliable manufacturing partner for businesses that value quality, consistency, and precision.

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TESTIMONIALS

WHAT OUR CLIENTS ARE SAYING

READ MORE TESTIMONIALS

Southern Precision Spring has been our trusted supplier for over a decade. Their springs are high-quality, reliable, and always arrive on time. We consider them a true partner in our success.

Jake R.

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SPS QUALITY

QUALITY IS EVERYDAY OR IT ISN’T QUALITY

Quality is the number one priority on our plant floor. Part quality is monitored throughout each shift utilizing calipers, load testers, custom gauges, and pins to ensure they meet your critical process and product requirements.

SPS QUALITY POLICY

As an ISO 9001:2015 certified organization, we are committed to meeting and/or exceeding customer requirements through quality, compliance, improvement & effectiveness.

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Why Manufacturers Choose Southern Precision Spring

For more than 60 years, Southern Precision Spring has helped manufacturers solve complex spring challenges with precision engineering, dependable quality and responsive customer service. Whether you need a prototype or full production run, our team is committed to delivering custom spring solutions that perform.

ISO 9001:2015 Certified
Consistent manufacturing processes and rigorous quality control ensure every spring meets your specifications.
Custom Engineered Solutions
Compression, extension, torsion springs and wire forms designed specifically for your application.
Fast Prototyping & Production
Rapid prototyping and scalable production help keep your projects moving on schedule.
Trusted Across Multiple Industries
Serving automotive, agriculture, transportation, furniture, medical and industrial manufacturers throughout North America.
Need a custom spring for your application?

Our engineering team is ready to help you select the right solution.

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