Window Depot USA of Youngstown proudly serves homeowners across 33 counties in Ohio and Pennsylvania. Ohio: Ashland, Ashtabula, Columbiana, Cuyahoga, Erie, Geauga, Huron, Lake, Lorain, Mahoning, Medina, Portage, Stark, Summit, Trumbull, Wayne | Pennsylvania: Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford, Erie, Fayette, Forest, Greene, Indiana, Lawrence, Mercer, Venango, Warren, Washington, Westmoreland.