Professional and Related Organizations
 
AD - Afilliated Distributors
ANSI - American National Standards Institute
ASTM - American Society for Testing and Materials
BISCI - A Telecommunications Association
CSA - Canadian Standards Association
IAEEL - International Association for Energy Efficient Lighting
IALD - International Association of Lighting Designers
IDA - International Dark-Sky Association
IEA - Intermountain Electrical Association (Utah, Idaho, Colorado, Nevada)
IEEE - Institute of Electrical and Electronic Engineers
IEC - International Electrotechnical Commission
IESNA - Illuminating Engineering Society of North America
ISO - International Standards Organization
NAED - National Association of Electrical Distributors
NAILD - National Association of Independent Lighting Distributors
NECA - National Electrical Contractors Association
NEMA - National Electrical Manufacturers Association
NFPA - National Fire Protection Association
NLB - National Lighting Bureau
NLC/LER - National Lighting Collaborative: Luminaire Efficiency Rating System
UL - Underwriters Laboratories