Precision Metal Components from a Trusted, Single-Source Manufacturer

CSS (Connecticut Spring & Stamping) is a leading international manufacturer of precision springs, stampings, machined components, and complex assemblies. Since 1939, we’ve been a strategic supplier to OEMs across industries including medical devices, aerospace, defense and firearms, and government sectors.

Family-owned and operated, we bring a unique combination of deep technical expertise, collaborative engineering, and full-service manufacturing—all under one roof. From early design and prototyping through high-volume production and assembly, CSS delivers innovative, cost-effective solutions for the most challenging components and assemblies.

What sets us apart is our ability to tackle complexity. We specialize in tight-tolerance, high-performance parts others can’t or won’t make—providing reliability, scalability, and precision our global OEM clients count on.

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Inside CSS: Our People, Capabilities & Global Reach

About Us

A global leader in precision manufacturing, CSS has been a trusted supplier of high-performance metal components since 1939.

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Success Stories

See how our engineering expertise helps OEMs meet the demands of fast-moving, highly regulated industries.

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Locations & Facilities

With manufacturing and sourcing capabilities across the Americas and Asia, CSS supports clients around the world.

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Meet Our Team

As a family-owned company with 400+ employees, many with decades of service, we bring unmatched experience and commitment to every project.

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Quality & Compliance

At CSS, quality isn’t just a requirement. It’s a core value embedded in every step of our process. Learn how our certifications and quality systems support mission-critical work.

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Trusted by Industry Leaders

What Our Clients Say about Working with CSS

"I haven't worked directly with a whole lot of spring manufacturers in the past, but it's been absolutely great working with CSS so far. They are head and shoulders above other folks I've worked with – quick reply, detailed/thorough, helpful in teaching the process, forthright in offering solutions, etc. I really appreciate the help thus far and looking forward to continuing to work together."R&D Engineer, Top Tier Surgical Device Company"I have been impressed with the professionalism and execution of your company and personnel, and I'd like to extend a sincere thank you. I can honestly say it has been a pleasure working with you and I look forward to continuing business with your company!"R&D Engineer, BD"One of the most important things we look for in a partner is value engineering and value analysis to help us reduce costs. CSS provided us with virtually a one-stop-shop for very fast feedback that helped us design new models for manufacturability."VP of New Product Development, Smith & Wesson"Connecticut Spring & Stamping is an exceptional supplier. Their engineering teams have supported Teleflex Medical through successful product designs & launches. They respond quickly whenever the need arises, and deliver with a world class level of service and quality."Teleflex Medical"Your organization has shown an outstanding quality history on all of the various parts you ship to Colt; a true commitment to supplying our company with a quality product."Director of Quality, Colt Defense

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