Koester Corporation

Koester Corporation was founded in April, 1970, in Defiance, Ohio. We have since built a 20,000 sq ft addition to our manufacturing facility in order to build much larger machinery. We specialize in automation for many industries, including automotive, painting systems, conveyors & material handling, aerospace, irrigation, glass bottles and tableware, tire & rubber, animal rendering, municipal water treatment, hydraulics, and many, many more. We specialize in electrical and controls engineering, electrical panel building, and machining and fabrication. Koester Corporation is a registered professional engineering firm capable of providing design, engineering, manufacturing, and contract management services in power, substation, lighting, digital control, process control, conventional control systems, and mechanical engineering. Koester utilizes AutoCAD for all drawings and can provide computer and PLC programming services. The manufacturing division is capable of building and testing hydraulic and pneumatic systems, as well as all electrical control systems. Koester Corporation has proven to be a leader in technology with high quality, on time control systems.