IES Puget Sound (serving Seattle, Western Washington, Eastern Washington and Northern Idaho)


The Illuminating Engineering Society (IES) is the recognized technical authority on illumination. For over 100 years; its objective has been to communicate information on all aspects of good lighting practice to its members, to the lighting community, and to consumers, through a variety of programs, publications, and services.

IES Puget Sound, based in the Seattle Area, is a forum for the exchange of ideas and information, and a vehicle for its members' professional development and recognition. Through formal educational programs on lighting, utilizing material developed by IES technical committees, and through monthly events created to further all aspects the lighting professions.

Its members work with lighting in a variety of capacities - lighting designers, architects, interior designers, government & utility personnel, engineers, contractors, manufacturers, distributors, researchers and educators - throughout the United States, Canada, Mexico - and around the world. They share a common interest in lighting, and a common desire to promote the use of the latest, most innovative lighting technologies, with a focus on judicious use of energy in all lighting applications.