Our Facilities
We have two state-of-the-art facilities located in Michigan, equipped with the latest technology and staffed by highly skilled professionals.
Auburn Hills Plant
> 100,000
Components placed per hour
Facility Exterior
Production Floor
Facility Overview
Our Auburn Hills plant is a high-volume SMT production facility engineered for scalability and performance. It is equipped with multiple SMT lines supporting boards up to 48 inches, selective solder capabilities for through-hole components, and a modular floorplan that allows for flexible manufacturing and future expansion.
Key Capabilities
High-Volume SMT Production
Selective Soldering for Through-Hole Components
Large-Format Board Handling (up to 48”)
Flexible Manufacturing Layout
Expansion-Ready Infrastructure
Madison Heights Plant
3
SMT Lines
Facility Exterior
Production Floor
Facility Overview
Our Madison Heights plant is a highly flexible, hi-mix PCB assembly plant tailored for both low and production volumes. It supports a variety of board materials—including FR4, metal core, rigid, and flex—and delivers specialized solutions for ECUs, LED lighting, and instrumentation. With a focus on precision and quality, this facility also provides conformal coating and other finishing services.
Key Capabilities
Hi-Mix PCB Assembly
Low to Production Volume Builds
Support for FR4, Metal Core, Rigid & Flex Boards
ECU, LED, and Instrumentation Specialization
Conformal Coating & Finishing Services
Our Journey
Three years of continuous growth and innovation
Ready to Work With Sigma?
We are always looking for new projects and collaborations. If you have an idea or a project in mind, feel free to reach out to us.
