Pressure Switches Inc. is a leading provider of air pressure switches, differential switches, vacuum switches, electronic pressure switches and flow switches. All of our exterior materials are machined out of aluminum and anodized so they are built to last. Every pressure switch is hand-assembled and tested throughout the manufacturing process to ensure quality and customer satisfaction. PSI has over 30 years of switch designing and manufacturing experience and state-of-the-art equipment to suit your needs. For more information, call us today or visit our website!