Stewart EFI, LLC
ManufacturingConnecticut, United States51-200 Employees
Stewart EFI, LLC is a mid-sized manufacturing company specializing in precision metal stamping, with capabilities spanning deep drawn, progressive die stamping, slide forming, and automated assembly. It ships more than two billion parts annually for customers in automotive, electric vehicles, electrical, electronics, medical, consumer, and specialty batteries. The company is headquartered in Thomaston, Connecticut, and operates facilities in Thomaston, El Paso, and a joint venture in Hangzhou, China; its origins trace to a 1936 stamping firm and a 1964 eyelets manufacturer that combined in 2003 to form Stewart EFI. It provides value-added services such as engineering support and prototype fabrication, complementing its stamping and assembly offerings. In 2017, a leadership reshuffle occurred at the El Paso facility, naming Manuel Campos as General Manager and Steven Tooker as Manufacturing Manager.