Malvern Instruments - Manufactures article characterization and rheological instrumentation for particle sizing, rheology, and chemical imaging. Christison Scientific - A supplier of particle sizing, particle characterization, sample preparation, mixing, blending and homogenizing instrumentation. PMT Particle Measuring Technique (GB) Ltd - Specialists in the provision and service of instrumentation and solutions associated with particle, microbial and electrostatic contamination. Ankersmid - Analysers for particle characterisation from 0.1 to 3600 microns. Micron Scientific - Provide sales, service and support for instrumentation and systems for applications in industrial analysis and research relating to particle characterisation. Laval Lab - Particle size analyzer, zeta potential meter, powder blender, laboratory grinder. In French and English Micromeritics Instrument Corporation - Provides instruments for evaluation of particle size, surface area, pore size, material density, and chemisorption. Includes online catalog and list of applications. Zeta-Meter - Zeta-meter instruments measure zeta potential in colloidal suspensions, with industrial, medical, environmental, and pure research applications. Brookhaven Instruments Corporation - Instruments for particle sizing, zeta potential determination and light scattering to university and industrial laboratories worldwide. Retsch Technology GmbH - Manufacturers of optical measuring systems for particle characterisation. Sympatec GmbH - Manufacturer of instruments for particle size and shape analysis for Laboratory and Process Applications by Laser Diffraction, Image Analysis, Dynamic Light Scattering, and Ultrasonic Extinction. Offers details on instruments, methods and services. Based in Germany. Vladimir Ovod - Consulting in particle sizing, light scattering systems development, improving particle size analyzers, dynamic light scattering systems, photon crosscorrelation spectroscopy, zeta potential analyzers and phase Doppler anemometry Particle World Instruments - Design, modeling, testing, integration, and modification of particle size analyzers, light scattering and dynamic light scattering systems. IE 5 and above only, Netscape need not apply. Fluid Imaging Technologies - Develops, manufactures and sells the FlowCAM, a particle analysis instrument using digital imaging to measure particle size and shape. Dispersion Technology, Inc. - Offers instrumentation for particle size measurement, zeta potential, longitudinal rheology and other applications. TSI: Particle Sizers - Offers instruments for sizing, counting, generating, and dispersing aerosol particles. Applications are such as air filter testing, atmospheric aerosol measurement, biological aerosol detection, particle characterization, and engine emissions studies.