Profile: Columbia Research Laboratories, Inc. is a manufacturer of sensors for use in aerospace, military and industrial markets. We produce a broad variety of sensors and associated signal conditioning electronics. Our products include force balance inertial-grade accelerometers & inclinometers, piezoelectric vibration & pressure sensors, strain gage aircraft mainframe fatigue sensors, precision linear variable differential transducers and fiber optic sensors. We are accredited with ISO 9001:2000 certification. We render complete calibration services for piezoelectric and force balance accelerometers, as well as measuring microphones.