 MQ specializes in serving the luxury residential and commercial segments and is known for its work on complex, historic renovations of grand scale.In March 2018, Andersen acquired Heritage Windows and Doors, a manufacturer of custom aluminum doors and windows in Gilbert, Ariz. serving the luxury residential and commercial market in the Southwest region.In October 2018 Andersen divested itself of Silver Line Building Products, LLC, its vinyl windows and patio doors brand to Ply-Gem.