The North Iowa Corridor is a regional economic development organization serving Mason City, Clear Lake and the greater Cerro Gordo County area. See why the North Iowa Corridor - comprised of Mason City, Clear Lake and Greater Cerro Gordo County in North Central Iowa - is the place for your company to grow. Learn about how our distinctive business cost advantages, proven public-private partnerships, exceptional infrastructure and natural beauty comprise a region ready to enhance your business and your life.