Commercial vendors of LED optics for shaping the light
beam include Carclo (http://www.carclo-optics.com), Dialight
(http://www.dialight.com), Fraen (http://www.fraensrl.com), Khatod
(http://www.khatod.com), Ledil (http://www.ledil.fi), Philips
Lumileds (http://www.philipslumileds.com), and Polymer Optics
Limited (http://www.polymer-optics.co.uk).