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. Completed panels can be U.L. approved in-house. Koester Corporation has proven to be a leader in technology with high quality, on time control systems.