Aaa Vinyl Siding & Window Co in Somerville, AL offers top Windows Installations and Siding Services in the Somerville area. Since 1959, home-based AAA Vinyl Siding & Window Company in Decatur & Huntsville Al has provided state-of-the-art installations and replacements for homes throughout North Alabama. Our family owned and locally operated company is proud to be the longest-running window and siding business in the Huntsville-Decatur area.