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The following companies have elected to support the Society as Sustaining Members which allows the IES to fund programs that benefit all segments of the membership and pursue new endeavors, including education projects, lighting research and recommended practices. The level of support is classified by the amount of annual dues, based on a company's annual lighting revenues.Sustaining Membership Benefits
All attempts have been made to keep this list as accurate and up-to-date as possible.
If there is no link to your web site, please update your sustaining member profile.
Please Note: Not all sustaining members have web sites.