TLC Is LEEDing the Way on Sustainable Projects November 12, 2020 News Facebook LinkedIn Copy Link Since 2003, TLC has been certifying LEED projects. Learn more about how we are LEEDing the way when it comes to sustainable building design as well as a healthy corporate environment. Related Articles June 17, 2025 Acoustic Distinctions is Now Part of TLC April 14, 2025 TLC Welcomes Newest Principals