By Design Tool is a company that offers a range of services including parts machining, honing, finishing, electrical contracting for commercial and residential projects, LED lighting installation, and engineering solutions. They provide high-quality parts and expert services using CNC machines, lathes, manual mills, grinders, and tooling for machining needs. Additionally, they specialize in LED lighting installations, electrical services from outlets to panels, and engineering solutions for molds, dies, and fixtures. By Design Tool serves the Greater Dayton, Cincinnati, and Columbus areas with a focus on quality and comprehensive solutions.