IES is a community dedicated to the improvement of the lighted environment. Their website offers information about the organization, educational events, public policy, and more.
CIE is an international non-profit organization dedicated to the dispersion of lighting-related information. See their website for information on the organization or resources available across the world.
SLL is a part of Chartered Institution of Building Services Engineers and their website provides a range of educational, technical, and practical information for lighting designers.
