When a situation calls for heavy-duty control switches, NAMCO switches are the answer. Our SNAP-LOCK® limit switches are renowned for exceptional quality and reliability under the harshest conditions. NAMCO was the first U.S. company to respond when non-contact electronic sensing was required in automotive assembly lines. This level of innovation and dependability has led NAMCO to be a recognized leader in high reliability electronic sensing. Even today NAMCO is the Number One global source for limit switches use in nuclear power plants qualified the meet NRC requirements.