Founded in 1936, UMA Inc. is one of the leading manufacturers of aircraft and medical instruments in the United States. Based in Dayton, Va., the firm offers an array of products, including tachometers, airspeed indicators, vertical speed indicators, electronic, gyro suction gauges, pneumatic pressures and altimeters. It has a state-of-the-art manufacturing facility spread on an area admeasuring 7,500 square feet. UMA Inc. provides a slew of equipment, such as outside air temperature, pressure warning switch, voltmeter, ammeter, differential pressure, instrument lighting, hour meter, dual gauges, tri-gauges, opti-alert and watt meter.