 In 2009, Andersen introduced the A-Series and the 100 Series window and patio door product lines.In 2001, Andersen acquired EMCO Enterprises, Inc. based in Des Moines, Iowa, and KML Windows Inc., based in Strathroy, Ontario, Canada.In May 2005, Andersen Corporation acquired Eagle Window & Door, an Iowa-based manufacturer of aluminum clad wood windows and patio doors.