Company	Website Link	Profile
Association of Lighting Designers	www.ald.org.uk	The Association of Lighting Designers is a professional body representing lighting designers working in the live performance industry in the United Kingdom and many other parts of the world
PLASA	www.plasa.org	Professional Lighting and Sound Association
Cast Lighting	www.castlighting.com	Home of the Lighting Design Program WYSIWYG
Blue Room Lighting Forum	www.blue-room.org.uk/	Forum for technical theatre
Strand Lighting Archive	www.strandarchive.co.uk/index.shtml	Strand Lighting Archive from 1915
Stage Lights	www.stagelights.info./	Links to thousands of lighting websites
Martin	www.martin.com	One of the leading Moving Light Companys