APEM Inc. is a leading manufacturer of high-quality industrial switches, joysticks, and another human-machine interface (HMI) components. The company was founded in 1952 and is headquartered in Haverhill, Massachusetts.

Their product line includes a wide range of switches, including mechanical, snap-action, slide, and rocker switches, as well as joysticks, panel and door cabinets, and LED indicators. These products are used in a variety of industries, including aerospace, automotive, defense, medical, and industrial automation.

APEM Inc. is dedicated to providing its customers with the highest quality products and services to meet their needs. They have a team of experts who work closely with customers to understand their requirements and provide customized solutions that meet their exact requirements. The company is known for its innovative designs, high quality, and reliability of its products, and exceptional customer service.