MKS Instruments is a global provider of instruments, subsystems, and process control solutions that measure, monitor, deliver, analyze, power, and control critical parameters. Founded in 1961, the company is headquartered in Massachusetts and employs over 10,000 people worldwide. Its work is rooted in deep technical expertise across domains including vacuum technology, mass flow control, gas analysis, RF and microwave generation, and photonics.
The company's products serve critical functions in advanced manufacturing and research. Its portfolio includes capacitance manometers and vacuum gauges for pressure measurement, mass flow controllers for gas flow rates, and gas analyzers for composition analysis. MKS also provides RF and microwave generators and a range of photonics solutions for light generation, manipulation, and detection. The company holds more than 3,200 patents.
MKS Instruments operates primarily in the semiconductor manufacturing, electronics and packaging, specialty industrial, and scientific research sectors. The company's culture is noted for leveraging collective curiosity among its workforce.




