Business Details
24 Years
experience
Your Trusted Manufacturing Partner in Johnson City
Founded in 2002, our company has evolved from a specialized tooling design service into a comprehensive manufacturing solutions provider. With over three decades of combined expertise in tool and die engineering, we deliver precision-driven services spanning design, production, and inventory management. Our commitment to quality and service excellence has earned us tier 1A vendor status with key clients, reflecting our reliability in meeting delivery and lead time commitments. We specialize in optimizing production efficiency for both short and high-volume runs, leveraging streamlined processes to maintain competitive pricing without compromising quality. Our capabilities include CNC machining, progressive stamping, tube bending, and custom tooling development, supported by value-added services like heat treating and surface finishing.Rooted in Johnson City, TN, we serve diverse industries with tailored manufacturing strategies that prioritize cost-effectiveness and product profitability. Our team's deep industry knowledge ensures clients receive expert guidance on process optimization, material selection, and production scalability. Backed by ISO-standard practices and a focus on continuous improvement, we maintain rigorous quality control across all operations. This dedication to excellence positions us as a trusted partner for businesses seeking reliable, end-to-end manufacturing support.
Services
Engineering Support
Manufacturing Support
Tooling Design
Production Services
Inventory Control
Details
- Year established: 2002
Highlights and features
- We offer 20+ years of specialized expertise in precision tooling and manufacturing
- Our tier 1A vendor status demonstrates proven reliability with major clients
- We implement ISO-standard quality control processes across all operations
- Our in-house tooling design capabilities reduce production lead times by 30%
- We guarantee just-in-time delivery with dedicated inventory management programs
Services
Engineering Support
Our engineering team optimizes product designs for cost efficiency and quality improvement. We analyze current specifications to identify manufacturing enhancements while maintaining functional requirements. Clients benefit from reduced material waste and improved production throughput through our specialized design recommendations.
Tooling Design
We create custom tooling solutions for stamping, forming, and machining applications. Our capabilities include progressive dies, welding fixtures, and CNC tooling optimized for production volume. Advanced wire EDM and precision grinding ensure tight tolerances for complex geometries in ferrous and non-ferrous materials.
Production Services
Our production facilities handle CNC machining, laser cutting, and metal stamping operations. With 15-135 ton press capacity, we produce precision components using progressive feed systems and automated forming processes. Secondary operations include welding, assembly, and surface finishing treatments.
Inventory Control
We implement just-in-time inventory systems with blanket order fulfillment and raw material management. Our dedicated transport fleet enables direct delivery to customer service centers while maintaining optimal stock levels through real-time tracking and automated replenishment protocols.
Manufacturing Support
Our consultants evaluate production workflows to identify cost reduction opportunities. We recommend equipment investments and process changes that improve labor efficiency by up to 25% while maintaining product quality standards through statistical process control measures.
People
John Swonger
Founder
John Swonger is a certified tool and die maker with over 30 years of manufacturing experience. He established Swonger Engineering in 2002 and led its evolution into Swonger Engineering, LLC. His expertise in progressive stamping and deep draw forming drives the company's technical direction.
Questions
What manufacturing processes does SEAMS specialize in?
We specialize in CNC machining, progressive metal stamping, tube bending, and forming operations with capacities from 15-135 ton presses.
Do you offer just-in-time inventory solutions?
Yes, we provide complete inventory management programs including blanket orders, stock replenishment, and direct delivery services.
What quality certifications do you hold?
We maintain ISO 9001-compliant quality systems with documented process controls and continuous improvement initiatives.
Can you handle both prototyping and volume production?
Our facilities support prototype development through high-volume production runs with scalable manufacturing strategies.
What industries do you serve?
We primarily serve automotive, aerospace, and industrial equipment manufacturers requiring precision metal components.
Do you provide design assistance for manufacturability?
Yes, our engineering team offers design for manufacturability analysis to optimize production efficiency and reduce costs.