Founded in 1914, Mechanical Devices has grown from a small manufacturer in Aurora, Illinois to a leading name in precision machining. We specialize in horizontal and vertical machining, turning, broaching, grinding, balancing, and assembly. Our advanced multi-axis and multi-spindle CNC equipment ensures high-quality results for grey iron, steel, aluminum castings, and steel forgings. With a commitment to sustainability, our 250,000 sq/ft facility actively manages waste and energy use. Family-owned and operated, we pride ourselves on quality products, customer satisfaction, and environmental stewardship.