Ranco is a company known for manufacturing temperature control devices, particularly thermostats and temperature sensors. Their products are widely used in various industries, including HVAC (heating, ventilation, and air conditioning), refrigeration, and food processing. Ranco's devices help maintain optimal temperatures, ensuring safety and efficiency in temperature-sensitive environments. Founded in the mid-20th century, Ranco has built a reputation for reliability and innovation. The company focuses on developing user-friendly products that cater to both commercial and residential needs. Their commitment to quality and performance has made them a trusted name in the field of temperature management, often associated with brands like Emerson and Honeywell.