| A&N Corporation: A manufacturer of high vacuum flanges, fittings, and chambers. |
| Advanced Energy: Innovative power and control technologies that drive high-growth, plasma thin-film manufacturing processes. |
| Amptek: Manufacturer of x-ray and gamma ray detectors, multichannel analyzers, charge sensitive preamplifiers, and spaceflight instrumentation. |
| BOC Edwards: Provides resources in vacuum, gases, exhaust management and chemical management. |
| Diversified Technologies, Inc.: Offers switching power supplies and high voltage systems. Core technologies include power electronics, electromagnetics, analog circuit design, instrumentation and test systems, and system integration. |
| Dynapower Corporation: A leading manufacturer of power conversion equipment. Dynapower is an industry leader in transformer technology, rectifiers, battery formation, anodizing, and other power conversion equipment. |
| Electron Tubes Ltd.: Manufacturers of photomultipliers and accessories, packages, light detection solutions and silicon photodetectors. |
| FAST ComTec: Manufacturer of time-resolved photon counters and nuclear instrumentation. |
| GNB Corporation: High and ultra high vacuum valves, chambers and accessories. GNB is the manufacturer of the world's largest and most dependable vacuum valves, providing standard designs and custom engineering for over 30 years. |
| Granville-Phillips: Industry leader in vacuum technology for over 30 years |
| Hamamatsu Family: The Photon is our Business. PMT, CCD, Photodiodes, light sources, systems... Hamamatsu Corporation is a leading manufacturer of devices for generation and measurement of infrared, visible and ultraviolet light. |
| Huntington Mechanical Laboratories, Inc.: Better built vacuum components. |
| HyVac Products Inc.: OEM manufacturers of high vacuum pumps and equipment. Precision manufacturing services using computer numerically controlled maching (CNC). Manufacturers of vacuum pumps, gauges, fittings, filters, traps and systems. Most anything related to vacuum pressures in excess of 29' mercury vacuum. |
| Insulator Seal Inc.: Electrical & Optical Ceramic-to-Metal Seal Components for High & Ultrahigh Vacuum Corrosive & Cryogenic Applications |
| IntelVac, Inc.: Supplier of high vacuum products and semiconductor equipment for industrial applications and scientific research. |
| Kurt J. Lesker Co. Vacuum Products: Manufacturer and distributor of high-quality vacuum product for all vacuum applications. |
| Materia Systèmes: Manufacturer of ion sources, plasma sources, and plasma equipments for surface treatment, thin film deposition, air cleaning. |
| Maxwell Technologies: Maxwell is made up of businesses that provide both the federal and commercial sectors with scientific and technological products and services. |
| MDC Vacuum Products Corporation: Manufacturer of high and ultra-high vacuum system components, systems and custom engineering. |
| MKS Instruments: Instruments, components, and subsystems for vacuum and gas based processes, including manometers, transducers, residual gas analyzers, plasma and power generators, mass flow controllers, helium leak detectors, and digital network products. |
| National Instruments: Computer-Based Measurement and Automation |
| Oxford Applied Research: Company manufactures UHV components for MBE and surface science applications. It provides ion sources, atom sources, gas crackers, and evaporation sources. |
| Plasma Closing Switches and Spark Gaps: Conventional high power spark gap switches and trigatrons. Operating voltage up to 70 kV, peak current to 12 kA. Designed to be inexpensive and simple to maintain. |
| Saint-Gobain Crystals and Detectors: Bicron specializes in radiation detection products and high performance crystal optics. X-ray, low energy gamma and neutron detection. |
| Sciencetech: Designers and manufacturers of monochromators, spectrometers, detection systems, and light sources. Specializes in modular optical spectroscopic systems. |
| Stanford Research Systems: Instruments for Test, Measurement, Research and Analysis. Stanford Research Systems offers a complete line of scientific and engineering test and measurement equipment. |
| Tektronix Measurement Home Page: Oscilloscopes, Logic analyzers, Signal sources, Microwave signal generators. |
| Thermionics Vacuum Products: Manufacturer of vacuum systems, components and hardware for all vacuum applications including: XYZ manipulators, sample handling devices, motor controllers, valves, feedthroughs, gauges and controls, and flanges. |
| Vaccon Vacuum Products: Manufacture of pneumatic venturi systems: pumps, material transfer, air amplifiers, and sensors. All products have no moving parts. |
| Vactek: The company specializes in industrial, analytical and medical vacuum equipment, distribution and service of vacuum pumps, PD blowers and related maintenance, parts and supplies. |
| XRF Corporation: Field portable gamma and X-ray fluorescence spectrometers. |
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