Calex Mfg. Co. Inc. engages in the development, manufacture, marketing, and export of power conversion products and instrumentation modules in the United States. It offers printed circuit board mounted DC/DC converters for use in telecommunications systems, medical instruments, and military and industrial control systems; commercial off-the-shelf power solutions, including filtering, hold-up, power quality, and load sharing modules for military and aerospace applications; and printed circuit board mounted AC/DC power supplies for use in analytical instruments, medical instruments, industrial scales, and weighing systems. The company also provides high-voltage multipliers for various applications, including X-ray systems and mass spectrometers; and signal conditioners/instrumentation amplifiers for conditioning low level DC signals. It exports its products to the United Kingdom, France, Canada, Switzerland, Austria, Hungary, Sweden, Holland, Italy, Germany, South Africa, Korea, Israel, Japan, and Taiwan. Calex Mfg. Co. Inc. was founded in 1962 and is based in Concord, California.