Welcome to the Fresno Section Website of the Illuminating Engineering Society (IES)

IES seeks to improve the lighted environment by bringing together those with lighting knowledge and by translating that knowledge into actions that benefit the public.

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