Please note that due to the holidays, DLC application processing will not occur between December 23 - 25, 2019. Product applications submitted between December 26, 2019 - January 3, 2020 may have additional processing and review time added due to limited personnel during the holiday season.

Contact Us

Please use the forms to the right to submit either a general question or a question about the QPL.

Phone Support:

781-538-6425
Mon-Fri, 9am-5pm EST
For Application Support - Dial 1
For Qualified Product List Inquiries - Dial 1

Email Support:

General Inquiries: info@designlights.org
Application Support: applications@designlights.org

Mailing Address:

10 High Street, Suite 10
Medford, MA 02155