Since 1940, Downriver Cleaning Service has been family owned and operated. Our dedication to honesty and hard work has made us one of the finest commercial and janitorial maintenance organizations in the Metro Detroit area. DEDICATED AND DEPENDABLE You can be confident of receiving high quality service from us. Our motivated, knowledgeable staff are always available to assist in every way possible. Downriver Cleaning Service is a well established, large, and viable janitorial company, providing outstanding and dependable service for a variety of clients in small, mid-size, and large buildings throughout the Metro Detroit area. CONSISTENTLY COMPETENT We have the best record of customer retention in the industry because of our dependable and loyal staff. They are well trained and expertly supervised. Our management team attends regularly scheduled supervisory seminars. And, of course, we use the most modern, state-of-the-art equipment available..