Particle Measuring Systems (PMS) sets the standard for cleanroom contamination monitoring. With more than 60 patents, we create the technology that enables you to make fact-based decisions, improve process yield and comply with changing regulatory requirements. We understand the challenges our customers face, which is why we actively remain up to date with industry, trade, and technology changes. With more than 450 employees, over 35 distributors, and local sales and services in more than 50 countries, we’re local everywhere.