- Applied Physics Systems
 - Manufactures fluxgate magnetometers, DC SQUID magnetometers, orientation sensors, steering tools, milliammeters and superconducting rock magnetometers. - Columbia Research Labs, Inc.
- Manufacturers of piezoelectric accelerometers and transducers, inertial sensors, strain sensors, and displacement sensors.
- Elweco, Inc
- Manufactures non-contacting, angle measuring sensors.
- FW Bell
- Offering gaussmeters and other magnetic and current sensing components.
- Kistler Instrument Corporation
- Manufacturers of high quality piezoelectric, piezoresistive and capacitive sensors, transducers, accelerometers, and software for measuring pressure, force, acceleration, strain, velocity and torque.
- Melexis
- Production and sales of ICs and sensors for the automotive, measure, telecommunications, security, and consumer markets.
- Nonvolatile Electronics, Inc. (NVE) (1)
- Precision Navigation, Inc.
- Variety of products using magneto-inductive sensor technology.
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