Signal Recovery design and manufacture lock-in amplifiers, signal averagers, amplifiers, light choppers, counters and analog signal multiplexers.

FEMTO is the leading manufacturer of low-noise amplifier modules with a broadly diversified product base and continually expanding markets.

Berkeley Nucleonics Corporation (BNC) has a 45 year history providing precision electronic instruments like signal / pulse generators, digital delay generators (DDG), measurement multimeters and frequency counters.

ET Enterprises Ltd offers a wide range of photomultiplier tubes and accessories.