Advanced manufacturing, built as a platform.
Sigma Group is an advanced engineering and manufacturing platform integrating electronics manufacturing and surface systems to deliver production-ready solutions for global customers.
Modern products increasingly combine design surfaces, electronics, lighting, and mechanical systems. Sigma was built to support this convergence by bringing multiple engineering and manufacturing capabilities together within a single organization.
At a Glance
A platform built around the convergence of surface engineering, electronics, and manufacturing scale.
6+
Facilities worldwide
2
Continents
100+
Active customers
22+
Years in operation
Our Approach
Sigma Group operates as a unified engineering and manufacturing platform designed to support complex product programs from concept through production.
Engineering Discipline
Structured development, validation, and launch processes aligned with OEM and industrial program requirements.
Manufacturing Excellence
Advanced manufacturing technologies and operational systems that ensure consistent quality and scalable production.
Integrated Capability
Surface technologies, electronics manufacturing, and system integration delivered through a coordinated platform.
Our Journey
Sigma Group's evolution reflects a continuous effort to expand engineering capability and manufacturing scale in response to changing customer needs.
As products across automotive, industrial, and commercial markets have increasingly incorporated electronics, lighting, and intelligent features, Sigma has expanded deliberately to meet those requirements.
Today, Sigma Group operates as a unified engineering and manufacturing organization integrating advanced surface systems and electronics manufacturing to support customers across automotive, industrial, and commercial markets.
One Platform. Two Capability Verticals.
Sigma Group operates through two complementary capability verticals that support programs where design, electronics, and manufacturing scale converge.
Electronics Manufacturing
- PCB assembly — SMT and through-hole
- LED and lighting system builds
- Box build and system integration
- ODM and EMS program support
- Design-through-production capability
Decorative & Integrated Systems
- Chrome plating systems
- PVD coatings — decorative and functional
- Class A paint and graphics
- Injection molding and assembly
- Integrated lighting and electronics
Manufacturing Around The World
A coordinated facility network supporting global product launches with local execution.
Livonia, MI
Headquarters · Manufacturing · Technical Center
36800 Plymouth Road
Livonia, Michigan 48150
United States
Auburn Hills, MI
Manufacturing
2083 Pontiac Rd
Auburn Hills, Michigan 48326
United States
Madison Heights, MI
Manufacturing
32020 Edward Ave
Madison Heights, Michigan 48071
United States
Seoul, Korea
Manufacturing · Technical Center
Shinseong Building #403
31, Junang-ro, 14-gil, Guro-Gu
Seoul 08218
Republic of Korea
Pune, India
Manufacturing · Technical Center
4, Priyadarshini Industrial Estate T-Block 165/1/4
M.I.D.C., Bhosari
Pune 411026
India
Innovation Focus
Investing in next-generation technologies that integrate design, electronics, and manufacturing at the intersection of performance and function.
Driver Awareness Systems
Solutions improving visibility, communication, and safety through integrated lighting and interface technologies.
Ambient & Dynamic Lighting
Lighting systems that enhance differentiation and user experience while supporting scalable production.
Smart Surfaces
Technologies combining decorative surfaces with electronics, sensing, and functional interaction.
The convergence of surface engineering, electronics, and manufacturing scale defines the Sigma platform.
What Drives Us
We are passionate about solving complex challenges.
Our teams are motivated by opportunities to tackle difficult problems that require innovative thinking, disciplined engineering, and close collaboration.
Advanced manufacturing should contribute to safer products, better user experiences, and technologies that improve everyday life.
Industry Memberships
Sigma Group is an active member of leading industry associations that advance standards, best practices, and connectivity across the electronics manufacturing sector.
Electronics Representatives Association
Manufacturing member of the ERA — the leading trade association for manufacturers' representatives in the electronics industry.
Global Electronics Association
Member in good standing of the Global Electronics Association, supporting industry connectivity, standards, and electronics supply chain excellence.
Motor & Equipment Manufacturers Association (MEMA)
Proud member of MEMA, contributing to the advancement of the automotive supply chain through innovation, advocacy, and industry collaboration.
IPC – Association Connecting Electronics Industries
Member of IPC, supporting global electronics manufacturing standards, quality, and best practices across the electronics industry.
Building Long-Term Partnerships
Whether supporting electronics, surface systems, or integrated assemblies — our goal is to deliver production-ready solutions that perform at scale.