X-Troni Scientific and Industrial Technologies Provides equipment for vacuum techniques, including consumables, thin films and surface science, gas flow control, helium cryogenics, and particle physics. http://www.x-tronix.com/

Bunting Magnetics Co. Distributor of permanent magnets and magnetic equipment for industrial use. http://www.bunting-magnetics.com/

Digital correlator manufacturer Manufacturer of digital correlator for dynamic light scattering and fluorescence correlation spectroscopy. http://www.correlator.com

UHV Design Manufacturer or vacuum components for molecular beam epitaxy (MBE), UHV sputtering, vacuum thin films and other UHV vacuum deposition components. http://www.uhvdesign.com

Herbach and Rademan Provides surplus electro-mechanical and scientific equipment. http://www.herbach.com/

Spectra Gases Manufacturer of rare, excimer laser, stable isotopic and environmental gases and gas mixtures. http://www.spectra-gases.com/

Nanofactory Instruments Develops and markets scanning probe microscopy instrumentation, such as a combination TEM holder and STM instrument. http://www.nanofactory.com

Sypris Test & Measurement Provider of on-site and mobile calibration services, test and evaluation services and electronic products under the F.W. Bell name including magnetic measurement instruments, current sensors and hall generators. http://www.sypris.com/stm/default.asp

Voss Scientific Provides data acquisition and analysis, PC-based satellite telemetry, high-power microwave (HPM) sources, and computational electromagnetic products. http://www.vosssci.com/index.html

Density Calibration Laboratory Physics calibration laboratory, accredited by UK Government (UKAS). Produces liquid and solid density standards and calibrates hydrometers. http://www.density.co.uk/

Micromeritics Instrument Corporation Manufacturer of particle technology instrumentation for the evaluation of particle size, surface area, pore size and pore size distribution, material density, bulk density, surface and catalytic activity, and zeta potential. http://www.micromeritics.com/

Mass Properties Measurement Instruments Provides equipment to measure center of gravity, moment of inertia, product of inertia, igniter circuit testers, space simulators and gimbal balance machines. http://www.space-electronics.com

Vatell Corporation Produces a line of HFM heat flux microsensors and circular foil heat flux gages. http://www.vatell.com

Isotope Products Laboratories Manufactures radiation standards, radiation sources, medical sources, and radiation source devices for health physics, medical, industrial, research, and nuclear power industries. http://www.isotopeproducts.com/

Tantec USA Manufacturer of surface treatment and analysis equipment and static electricity control equipment. http://www.tantecusa.com/

LDS Leak Detectors Rents new and rebuilt helium leak detectors and systems. Also provides spare parts and vacuum components. http://www.lds-vacuum.com

Neocera Inc. Provides pulsed laser deposition systems, metal oxide thin films and thin film devices, cryogenic temperature controllers, cryogenic sensors, magnetic and microwave microscopes, and sensor research and development. http://www.neocera.com/

Mad City Labs, Inc. Produces nanopositioning systems with sub-nanometer precision. http://www.madcitylabs.com

Aurelia Microelettronica Belongs to CAEN group, sells a variety of nuclear and biomedical electronics. http://www.aurelia-micro.it/

CSEM Nano Hardness Tester Producer and distributor of nano-hardness testers, a high precision instrument for the determination of the nano mechanical properties of thin films, coatings and substrates http://www.microphotonics.com/nht.html