Trimlight HQ pioneered permanent programmable color-changing lighting starting in 2010. Northpoint Trimlight is the authorized Trimlight dealer for the Franklin, Tennessee area, bringing the system to homeowners across Williamson, Davidson, Maury, Marshall, Bedford, Rutherford, Hickman, Humphreys, Lewis, Lawrence, Giles, Wayne, and Perry counties — 52 zip codes across roughly 50 Middle and South-Central Tennessee cities.