Particle Measuring Systems (PMS): The Only Complete Pharmaceutical Industry Contamination Control Provider Particle Measuring Systems partners with companies in the Pharmaceutical industry as a complete contamination monitoring solutions provider. Starting with our Advisory Services team, then collecting data with our viable and non-viable, particle counters, through to complete validation, data management and reporting. We have the expertise to help you meet regulatory requirements including ISO 14644-1:2015 and EU GMP Annex 1 to get your product to market.