These companies are primarily regional players. You can find the national players and other regions at: 08 1580 - Plastic Windows and Doors
AJ Manufacturing
Harmony and Main Street vinyl windows are manufactured in the USA. Harmony windows are built with insulated double strength glass and are available in horizontal sliding, fixed lite, casement, hopper, single hung and awning styles. The Main Street line is available with single pane or insulated glass and can be built in horizontal sliding, single hung of fixed lite styles. Both can be trimmed with nailing fin, 1" J-Channel or EZ-v™ vinyl trim and flashing system