Siemens Mfg.

Siemens Manufacturing Co., Inc. is a contract electronics manufacturer specializing in custom electronic components and printed circuit board assembly for industrial, automotive, medical, and defense sectors. Founded in 1963, the company operates three production facilities located in Freeburg, Illinois, New Athens, Illinois, and Hermosillo, Mexico. The firm offers comprehensive electronic manufacturing services including surface mount technology assembly, through-hole insertion, ball grid array assembly, and turnkey box build assembly. Quality assurance capabilities feature 3D automated optical inspection, X-ray defect inspection, in-circuit testing, thermal testing, and conformal coating services. Engineering and value-added solutions encompass design for manufacturability reviews, test fixture assembly, fast-turn prototyping, and customized consignment inventory management. Operating under ISO 9001:2015 certification and IPC-A-610 standards, the company delivers lot traceability across all electronic component production lines. With nearly 200 employees, Siemens Manufacturing serves original equipment manufacturers across North America requiring high-reliability custom electronics manufacturing.