Illuminating Engineering Society of North America (IESNA) » http://www.iesna.org
Illuminating Engineering Society, Arizona Section » http://www.iesarizona.org
International Dark-Sky Association (IDA) » http://www.darksky.org
American National Standards Institute (ANSI) » http://www.ansi.org
International Commission on Illumination (CIE) » http://www.cie.co.at/cie
United States National Committee of CIE » http://www.cie-usnc.org
National Institute of Standards and Technology (NIST) » http://www.nist.gov
Society of Automotive Engineers (SAE) » http://www.sae.org/servlets/index
Institute of Transportation Engineers (ITE) » http://www.ite.org
International Interior Design Association (IIDA) » http://www.iida.org
International Association of Lighting Designers (IALD) » http://www.iald.org
Lighting Research Center (LRC) » http://www.lightingresearch.org
National Association of Independent Lighting Distributors, Inc. (NAILD) » http://www.naild.org/home.asp?pagenumber=1
International Association of Lighting Management Companies (NALMCO) » http://www.nalmco.org
National Council on Qualifications for the Lighting Professional (NCQLP) » http://www.ncqlp.org
National Electrical Contractors Association (NECA) » http://www.necanet.org
National Electrical Manufacturers Association (NEMA) » http://www.nema.org
National Electrical Manufacturers Representatives Association (NEMRA) » http://www.nemra.org
National Association of Electrical Distributors (NAED) » http://www.naed.org/Common/Home.asp
National Lighting Bureau (NLB) » http://www.nlb.org
Nuckolls Fund » http://www.nuckollsfund.org
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