Our cutting-edge PCB and LED solutions are designed to meet the demanding requirements of the automotive industry, combining innovation with reliability.
High-precision board assembly
Automated SMT lines
Optical inspection & AOI
Traceability and serialization
Cleanroom-capable processes
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High-reliability SMT and through-hole assembly for complex PCBs. Automotive-grade quality, clean soldering, and precision inspection keep your products performing under real-world conditions — whether in vehicles, medical devices, or mission-critical systems.
Complete product finishing
Through-hole component installation
Hand soldering for specialized parts
Mechanical assembly and fastener installation
Connector and harness attachment
Conformal coating and potting
Cleaning processes for sensitive applications
Functional and in-circuit testing
Thermal and environmental stress screening (ESS)
Product serialization and labeling
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SMT is just the beginning. Sigma’s post-SMT services complete the journey from bare boards to fully functional products. Our skilled teams handle everything from complex mechanical assembly to precise hand soldering, ensuring your products meet the highest standards before shipment.
Integrated, ready-to-deploy modules
Electronics + mechanical integration
Wiring, connectors, and harnesses
Functional and system-level testing
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We don’t just build boards — we build finished products. Our box-build services integrate electronics, mechanical components, and enclosures into complete modules, fully tested and ready for deployment.
Smarter design for better builds
Circuit design review
DFM (Design for Manufacturability) analysis
Thermal and optical simulations
Rapid prototyping and iterations
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Bring us your sketches or released drawings. Our engineering team helps you design smarter — optimizing for performance, manufacturability, and cost.
Built exactly to your specs
Build-to-print PCBAs and assemblies
IPC and automotive compliance
Lot traceability and process documentation
Scalable from prototypes to full production
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Have a complete design? We’ll manufacture it exactly to your specifications — with meticulous documentation, quality control, and process traceability.
Certified quality, made in the USA
IATF 16949 (Automotive)
ISO 9001
Advanced testing and inspection
Lower risk vs. overseas sourcing
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Quality isn’t something we check at the end — it’s built into every step. We manufacture in our U.S.-based facilities for tight process control, fast lead times, and complete traceability.
Our commitment to excellence is backed by international certifications and rigorous quality standards.
Explore our range of high-quality PCBs, LEDs, and integrated solutions.
Sigma’s Guardian™ family fuses lighting, electronics, and advanced ornamentation into products that transform vehicles — delivering style, safety, and new functionality, all built in North America.
Have questions about our products or services? Our team is ready to assist you.