Rieker Instrument Co., Inc.
Rieker manufactures inclinometers (or clinometer), digital inclinometers, accelerometers, and tilt switches since 1917. Inclinometer sensors are instruments for measuring angles of slope, elevation or inclination in reference to gravity. Accelerometers measure acceleration, inclination and vibration.
http://www.riekerinc.com/

Sensorex
Concepteur et fabricant d'accéléromètres, de capteurs de déplacement, d'enregistreurs de chocs, de gyromètres, d'inclinomètres et de systèmes inertiels. Applications destinées à l'aéronautique, l'industrie et le ferroviaire.
http://www.sensorex.fr/

Sherborne Schaevitz
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http://www.sherborneschaevitz.com

Geotechnical Instrumentation
RST Instruments offers a full range of geotechnical and structural instrumentation for investigating and monitoring a wide range of projects in the civil engineering, mining, & environmental sectors.
http://www.rstinstruments.com/

MicroStrain Microminiature Sensors
Microstrain offers wireless sensors. MicroStrain develops and produces innovative, smart, wireless, microminiature displacement, orientation, and force sensors.
http://www.microstrain.com/

US Digital
US Digital designs and manufactures optical encoders, inclinometers & motion control components. Our complete product line includes either absolute or incremental optical encoder & inclinometer products, stepper motors, PC interfaces, digital readouts, sw
http://www.usdigital.com/

Tilt Measurement Limited
Tilt Measurement makes Electronic Tilt Sensor,Electrolevel, Inclinometer,Accelerometer
http://www.tilt-measurement.com/