Vibrometers
Polytec PI
manufacturer of piezoelectric devices, micropositioners, and laser vibrometers.
http://www.polytecpi.com/welcome.htm
Polytec
vibration measurement, vibrometry, non-contact measurement, nondestructive testing, quality control, machine vision, radiation measurement, sensors, distributor, representative, optical spectroscopy, lifescience, semiconductor, MEMS, automotive
http://www.polytec.com/
Image Automation
Manufacture of glass inspection systems to detect and locate imperfections during manufacture and laser doppler vibrometers for non-contact vibration measurement.
http://www.imageautomation.com
Altadox Electronics Manufacturer
Designs and manufactures industrial and consumer electronics, from board level to complete products, on OEM/ODM and contract manufacturing basis.
http://www.altadox.com

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