Tri-State Building Services has been washing windows throughout the Dallas/Fort Worth metroplex and surrounding cities since 1955. Our professionals will clean all your windows, regardless if it is a high-rise building, low-rise building, or a home. For 45 years, our business philosophy has been to “Give our customers the highest value for their window-washing dollars!” Highest window-washing value means very competitive prices and good customer service. Over the years, we have been able to keep our prices low by constantly increasing our productivity. In addition, we respond to the ever-increasing demands for good customer service. Tri-State wants to be your window washing company of choice. A company you can depend on for years to come.