Grand Rapids Illuminating Engineering Society
Welcome to IES Grand Rapids, a section of The Illuminating Engineering Society of North America (IESNA). The IESNA 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. The Society publishes nearly 100 technical publications, and works cooperatively with related organizations, such as AIA, IALD, ASHRAE, and USGBC, on a variety of programs and in the production of jointly published documents and standards.
