Particle Measuring Systems (PMS) is a leading provider of contamination monitoring solutions for cleanrooms. They offer equipment, software, and expert services to detect and control contamination in industries like pharmaceuticals, semiconductors, and aerospace[1][4]. Their services include particle counters, microbial samplers, facility monitoring systems, and advisory services like risk assessments and training[4][5]. PMS's unique selling proposition is its comprehensive and integrated solutions that enable customers to meet regulatory requirements while improving process yield[1][4]. Their target audience includes manufacturers in regulated industries seeking precise contamination control and compliance solutions.