Christison Scientific - A supplier of particle sizing,particle characterization, sample preparation, mixing, blending and homogenizing instrumentation serving development.

Particle size by Malvern Instruments Germany - Particulate control in the laboratory and on the process line.

Mastersizer - Particle Size Analyzer

Micromeritics Instrument Corporation - Micromeritics manufactures a broad line of particle technology instrumentation.

Zeta-Meter - Zeta-meter instruments measure zeta potential in colloidal suspensions, with industrial, medical, environmental, and pure research applications.

Particle Size in the Laboratory - From fundamental research projects through development and manufacturing quality control to end product testing.

Smart Flow Analyser. - Surface area analyser for powders, particle size analyser for powders, micro controller based digital gas flow meter.

Petrossoft Research and Production Ltd - Manufacturer of microprocessor based machine for automatic testing of diamond powder particle strength.

Malvern Instruments - Laser diffraction based particle analyzers for particle sizing in solids, liquids, slurries and aerosols.

Brookhaven Instruments Corporation - Instruments for particle sizing, zeta potential determination and light scattering to university and industrial laboratories worldwide.

CAD Instruments - Manufacturer of laboratory equipment for research and quality control, for colloidal chemistry: zeta potential, streaming potential, for chemistry of cement.

Zeta Potential instruments, inc. - Software and hardware to view and measure 0.2 micron particles in stable or unstable colloidal systems.

In Particles-Today - A news letter with information concerning particle testing, with company literature.

Matec Applied Sciences - MAS designs, manufactures and distributes particle size and zeta potential analyzer instruments for particle size distribution and surface charge.

Sheffield Testing Labs - Providers of independent testing and calibration services. mechanical testing, materials testing, corosion testing and calibration service provided.

Horiba - Particle characterization products.

Horiba Instruments Ltd - Particle size distribution analysis from 3nm to 2000 microns.

Process Metrix - Particle size measurement instruments and sensors.