| AMAC International Inc.: Manufactures advanced magnets, cryostats and SRF cavities. The company provides low cost equipment and a variety of services to scientific community of accelerators, superconductivity and cryogenics. |
| Antenna Systems: High efficiency wire antennas. |
| Bartington Instruments: Bartington Instruments manufacture fluxgate magnetometers, magnetic field sensors and magnetic susceptibility systems for soils and rocks |
| Caylar Magnetic Instruments: Caylar is a manufacturer of NMR and Hall effect gaussmeters (teslameters), magnetic field regulators in closed loop systems. |
| Custom Magnet Supplier: Supplier of magnets, specializing in custom magnet shapes and designs. Eagerly works with inventors, companies, universities, schools, and individuals worldwide. |
| E-magnets UK: A specialist supplier of permanent magnets, including Neodymium magnets, ferrite magnets, alnico magnets and rubber magnets. Offers free advice and technical help. |
| Educational Magnets from Indigo Instruments: Neodymium rare earth magnets, steel bar magnets and horseshoe/U-shape magnets for science education, industry and magic. |
| Elcometer® Distribution: Elcometer® Distribution of surface coating test and measurement products: a full range of portable coating thickness gauges, paint meters and other coating test equipment. |
| Electronic Filters: Real-world signals contain wanted and unwanted information. Therefore, some kind of electronic filtering technique must separate the two before processing and analysis can begin. |
| EMproto: Professional engineering services in Ontario, Canada. Numerical electromagnetics prototypes and analysis of antennas, scatterers and coupled structures in support of system design, troubleshooting and compliance assessment. |
| Erickson Instruments: Erickson Instruments specializes in the design and manufacture of extremely sensitive power meters, directional couplers, waveguide transitions and other microwave components for millimeter and submillimeter wave applications. |
| Fat Quarters Software and Electronics: Really slick magnetic field sensors. And the electronics to interface them. |
| Forcefield: Powerful Neodymium and Ceramic magnets and other products, sold new and surplus and at wholesale prices. Site also has a FAQ for magnets and electromagnetism, and magnetic demonstration images. |
| Gaussmeters and Hall Probes: Hirst Magnetic Instruments Ltd. manufactures a range of portable and handheld gaussmeters for measurement of magnetic flux densities. |
| Group3 Technology Ltd.: Precision Magnetic Field measuring instruments, and fiber optically linked Distributed Control Systems. |
| Hocking NDT Ltd.: Company specializes in eddy current non destructive testing (NDT). An overview of NDT is provided, including theory pages on electromagnetics and practical applications. |
| Integrity Design and Research Co.: High quality instrumentation and detectors for magnetic field AC,DC and for nuclear radiation (apha, gamma, and x-radiation) measurement. |
| Jandel Engineering: Manufacture probes for resistivity test measurement of semiconductors, silicon wafers and thin metal films. Based in Leighton Buzzard, UK. |
| Kemo Filters: Kemo produce a wide range of electronic signal filters, from simple filter modules to complex computer controlled multi-channel systems with gain. |
| Magmess Magnet: Over thirty years in magnetic field measuring and testing; products include gaussmeters, fluxmeters, and measuring coils |
| MAGNICON: High performance SQUID electronics and laboratory amplifiers. |
| MetaMaterials: Electromagnetic complex materials with both negative real permittivity and permeability. The web site includes information and provides a forum for discussion. |
| Nanomagnetics.org: Provides information about magnetic materials as well as characterization techniques and the standard instrumentation methods. |
| National High Magnetic Field Laboratory at Florida State University: The NHMFL develops and operates high magnetic field facilities used for research in physics, biology, bioengineering, chemistry, geochemistry, biochemistry, materials science, and engineering. |
| Neodymium Magnets: Collection of articles and information on Neodymium Magnets. |
| Nippon Ryutsu System Ltd.: Company advertises 120dB high-performance shielding material for electromagnetic waves. |
| Serviciencia: Company supplies instruments and service for several fields in science. Special expertise is in magnetic instruments and screening, as well as medical related devices. Based in Spain. |
| Space Cryomagnetics Ltd.: Company provides a complete service from design, through assembly, to installation and commissioning. The focus is on custom-built and special magnets, but the company also supplies standard cryogenic equipment and consultancy services. |
| Speake Sensors and Co Ltd: Manufacture and supply Magnetic Field Sensors, used by a series of ASICS (Application Specific Integrated Circuits) for applications such as gaussmeters, vehicle detectors, compasses, magnetometers and gradiometers. |
| Spicer Consulting: Electron beams and electronic systems. Equipment for measuring and cancelling magnetic fields in the environment of electron microscopes. |
| Stangenes Industries, Inc.: Transformers, current transformers, voltage dividers, electromagnets, X-ray power supplies, pulse forming networks. |
| Stefan Mayer Instruments: Fluxgate magnetometers, magnetic field compensation systems (active magnetic shielding), and magnetic permeability meters. |
| VS MicroAnalytical: Vacuum Systems for Micro Analysis is a manufacturer of photo-electron mass spectrometers capable of fast quantity non-destructive chemical mapping. Based in UK. |
| Yuxiang Magnetic Material Co.: Produces hard ferrite, permanent, rare earth, NdFeb, Neodymium, SmCo, and AlNiCo magnets. Headquarters located in Xiamen, China. |
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