Grayhill Inc. is a well-established American manufacturer specializing in high-quality electromechanical components and interface solutions for the electronics industry. Founded in 1943 and headquartered in La Grange, Illinois, the company has built a strong reputation for reliability and innovation over its long history. Grayhill’s diverse product portfolio includes rotary encoders, DIP switches, keypads, pushbuttons, and custom human-machine interface (HMI) solutions. These components are widely used across demanding sectors such as industrial automation, medical devices, aerospace, and telecommunications. Known for its engineering expertise and customer-focused approach, Grayhill emphasizes precision, durability, and performance in its designs. The company maintains rigorous quality standards, holding ISO 9001 certification, and provides both standard and custom-configured products to meet specific application requirements.