SigmaTron International (NASDAQ:SGMA) (NASDAQ: SGMA) is a global electronics manufacturing services (EMS) provider offering comprehensive design, engineering, and production solutions to original equipment manufacturers (OEMs). The company specializes in printed circuit board assembly (PCBA), cable and wire harness assembly, box-build assembly, and full product testing. Through its turnkey approach, SigmaTron helps clients accelerate time-to-market and optimize supply chain operations from prototype to high-volume production.
Serving diverse end markets such as telecommunications, computing, industrial controls, medical devices, lighting, and automotive electronics, SigmaTron leverages advanced manufacturing techniques, including surface-mount technology (SMT), through-hole insertion, and mixed-technology assembly. The company’s quality management systems are certified to ISO 9001 and ISO 13485 standards, while many facilities hold UL Recognized Component and RoHS compliance registrations to address stringent regulatory requirements across regions.
SigmaTron’s global footprint comprises manufacturing facilities in North America, Latin America, and Asia, including sites in the United States, Mexico, and China. By combining skilled engineering teams with lean production practices and localized supply chain networks, the company delivers scalable solutions tailored to customer needs. SigmaTron’s strategically located plants enable efficient distribution and after-sales support for customers operating in multiple geographies.
Founded in the early 1970s and headquartered in Brea, California, SigmaTron has evolved under the leadership of President and Chief Executive Officer Tony Cheung and a board committed to operational excellence. Over its multi-decade history, the company has expanded through organic growth, strategic facility investments, and technology upgrades, establishing a reputation for reliability, technical competence, and a collaborative partnership model with its OEM clients.
