Opto Technology, Inc.
Manufactures optoelectronics products including bar code readers, optical interrupters, photodetectors, emitters (blue, green, red, amber, white, infrared) and optical reflective sensors. Online linecard and PDF data sheets available for download.
http://members.visi.net/~rfwojcik/rv.htm
http://strattontechnologies.co.uk
http://www.advancedphotonix.com/
http://www.applied-spectroscopy.com/
http://www.asasgmbh.de/en/index_e.htm
http://www.electron-tubes.co.uk/
http://www.gigahertz-optik.com
http://www.ibsg-st-petersburg.com
http://www.infraredsystems.com
http://www.intune-technologies.com
http://www.ir-microsystems.com
http://www.micropto.com/english/frame_h.htm
http://www.microwattapplications.com
http://www.odij.co.jp/indexe.html
http://www.optical-probes.com/
http://www.photonics.uk.com/company_ov.htm
http://www.photonicsourcing.com
http://www.processsensors.com/
http://www.taiwanoasis.com.tw/
http://www.teledynemicrotech.com/
http://www.terahertztechnologies.com/
http://www.webspawner.com/users/carcoptyltd/