SigmaTron International, Inc. is an autonomous firm specializing in electronic manufacturing services (EMS). The company delivers various EMS solutions, including the production of printed circuit board assemblies and the complete construction of electronic products (known as box-builds). Beyond these core offerings, SigmaTron also provides automated and manual product assembly and testing, sourcing and acquisition of materials, engineering support for manufacturing and testing, design consultations, storage and distribution logistics, and aid in securing product certifications from government and other regulatory bodies. Furthermore, they offer both electronic and electromechanical production capabilities. Their clientele primarily spans the industrial electronics, consumer electronics, and medical/life sciences sectors, operating across the United States, Mexico, China, Vietnam, and Taiwan. The company promotes its services through third-party manufacturing representatives. Established in 1993, its main office is located in Elk Grove Village, Illinois.