The Illuminating Engineering Society (IES) is a professional organization dedicated to advancing the art and science of lighting. The Philadelphia Section of the IES serves the local community by providing resources, education, and networking opportunities for lighting professionals. The section focuses on promoting best practices in lighting design and application, as well as fostering collaboration among its members. Founded in 1906, the IES has a long history of influencing lighting standards and practices across various industries, including architecture, engineering, and interior design.