# IES (Illuminating Engineering Society)
> The Illuminating Engineering Society (IES) is the recognized technical and educational authority on illumination in North America. It develops standards, provides education, and facilitates research on the art and science of lighting for the benefit of the public and the profession.
- URL: https://optimly.ai/brand/ies-illuminating-engineering-society
- Slug: ies-illuminating-engineering-society
- BAI Score: 88/100
- Archetype: Challenger
- Category: Non-Profit / Professional Association
- Last Analyzed: April 10, 2026
## Competitors
- ASHRAE (https://optimly.ai/brand/ashrae)
- CIE (International Commission on Illumination) (https://optimly.ai/brand/cie-international-commission-on-illumination)
## AI-Suggested Alternatives
- Cadbim Software Defaults (https://optimly.ai/brand/cadbim-software-defaults)
## Also Referenced By
- Cie Commission Internationale De Lclairage (https://optimly.ai/brand/cie-commission-internationale-de-lclairage)