ACL
Manufacturer of reflectors and optics.
http://www.reflektor.com/index.htm

Controloptics
Manufacturer of reflectors and optics.
http://www.controloptics.com/nh1.htm

Eye - Iwasaki
Manufacturer of bulbs.
http://www.eye.co.jp/

General Electric
Manufacturer of bulbs and fittings.
http://www.ge.com/en/product/home/lighting.htm

Lumileds
Manufacturer of led.
http://www.lumiled.com/

Osram
Manufacturer of bulbs and fittings
http://www.osram.com/

Philips
Manufacturer of bulbs and fittings
http://www.lighting.philips.com/

Schott Glas
Manufacturer of reflectors and optics.
http://www.schott.com/lighting/english/

Sylvania
Manufacturer of bulbs.
http://www.sylvania.com/home_us.htm

Vaquarz
Manufacturer of reflectors and optics.
http://www.vaquarz.it/