APM Corporation develops and manufactures environmental sealing solutions to protect and prolong the life of electromechanical switches and circuit breakers in hostile environmental conditions worldwide. The company operates through two divisions: Switch & Circuit Breaker Sealing Boots, and Self-Sealing Fasteners and Washers. The Switch & Circuit Breaker Sealing Boots division offers environmental protection sealing components for toggle, pushbutton, rotary, and rocker switches, as well as circuit breakers, potentiometers, encoders, and other rotary devices. It provides its environmental protection sealing components for marine, medical, military, process, electronic instrumentation, off-road, and construction equipment industries through electronics and industrial distributors in the United States, Canada, and internationally. The Self-Sealing Fasteners and Washers division offers self-sealing fastening products, such as self-sealing screws, and self-locking bolts, rivets, locking nuts, and air and water-tight washers for applications, including instrumentation/electronics-electrical panels, fuel tanks, pressure sensors, gauges, meters, gear/transmission boxes, valves, motor housings, and portable instruments. Its products are also used in other applications, such as underwater military equipment, weapons, food processing systems, medical equipment, marine panels and hulls, off-road vehicles and equipment, recreational vehicles and equipment, hydraulic fluid systems, HAZMAT equipment, electronic controls, consumer appliances, tools, computer components, motors, cabinets, and enclosures. APM Corporation was founded in 1947 and is based in Englewood, New Jersey.