Applied Physics Systems (APS) is a company that specializes in advanced measurement and control systems, primarily for scientific and industrial applications. Founded in the late 1970s, APS focuses on developing innovative solutions for applications like cryogenics, semiconductor manufacturing, and materials testing. Their product range includes precision temperature controllers, vacuum measurement devices, and custom instrumentation designed to meet the specific needs of their clients. APS is recognized for its commitment to quality, reliability, and exceptional customer service, making it a trusted partner in the fields of research and technology.