For vinyl windows in Wausau, Wisconsin, Custom Windows Plus is the only logical choice. As a long standing family owned and operated business, we take a great deal of personal pride in the products and services that we provide to our customers. Wausau is the county seat of Marathon County and it provides its residents with a very high quality of life. A number of years ago, a business revitalization plan was implemented and people are now enjoying the benefits. We are proud to be able to serve the entirety of the city, from Rib Mountain to City Center to Mount View, and we will always be here for you any time you need replacement windows.