 Originated in 1998 to promote the greater Albany area as a high-tech competitor to regions such as Silicon Valley and Boston, it has since grown to represent the counties in the Capital District and extending to IBM's Westchester County plants in the south and the Canada–US border to the north.The area's high technology ecosystem is supported by technologically focused academic institutions including Rensselaer Polytechnic Institute and the State University of New York Polytechnic Institute.Tech Valley encompasses 19 counties straddling both sides of the Adirondack Northway and the New York Thruway, and with heavy state taxpayer subsidy, has experienced significant growth in the computer hardware side of the high-technology industry, with great strides in the nanotechnology sector, digital electronics design, and water- and electricity-dependent integrated microchip circuit manufacturing.