Description Left to its own devices, General Devices wants to let things slide, and enclose them, if necessary. The company makes telescoping slides, commercial- and military-grade cabinets and enclosures, and enclosure hardware and accessories for computer equipment. It also offers sheet metal fabrication services such as stamping, welding, and finishing. The company's facilities include more than 175,000 sq. ft. of manufacturing, research and development, and office space. General Devices, which was founded by Herbert and Gladys Fall in 1953, is owned and operated by the Fall family.