EOS S.r.l. (Effective Optical Systems, www.eosinstruments.com) delivers a new generation of scientific instruments and technological solutions for the classification and characterization of particles and particle mixtures in biological, industrial and environmental heterogeneous fluids. By implementing new strategies for analysing particles in complex fluids via light scattering, EOS provides the cutting edge CLASSIZER™ family of platforms for multiparametric analysis at the single particle level via Single Particle Extinction and Scattering (SPES) , SPES^2, and SPES_ell patented technologies. CLASSIZER™ devices classify individual particles based on their optical properties in liquids and aerosol: discriminates particles in heterogeneous samples; enables advanced product formulation by monitoring particle stability and behavior in real target complex fluids (aggregation, degradation, wetting); improves Quality Control operations by measuring even in the presence of impurities, synthesis residues, bubbles and immiscible liquid droplets without filtration or purification. CLASSIZER™ platforms are powerful solutions for research, product development, and quality control in life sciences, pharmaceuticals, cosmetics, food and beverages, inks and pigments, agrochemicals, lubricants and abrasives, and environmental sciences.