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The Illuminating Engineering Society (IES) is the recognized technical authority on illumination. For 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.

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» Review membership requirements
» Learn the different levels of membership
» What are the benefis?
» Apply for membership

Fundamentals of Lighting
May 12 - June 2, 2015  |   » more info

Intermediate Lighting Seminars
Fall 2015  |   » more info

2015 IES Puget Sound Scavenger Race & Fundraiser Sponsor Contribution
September 24,2015  |   Seattle Washington
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2015 IES Puget Sound Scavenger Hunt Fundraiser Participant Registration
September 24,2015  |   Seattle Washington
» more info