Since 1939, with 82 years of history and 4 generations, Ganser Company is a family-owned business proudly serving the Greater ... Dane County area. Serving Madison, Monona, McFarland, Verona, Fitchburg, Middleton, Sun Prairie, and surrounding areas for all of your, windows, bathroom, siding, roofing, insulation, gutter, & gutter protection needs. Ganser Company will bring your home's original beauty back with timeless products, new innovation, and hands-on displays designed to let your imagination run wild! read more