Coverall of St. Louis 680 Craig Rd Ste 260, Creve Coeur, MO63141 Coverall of St. Louis provides commercial and office cleaning and janitorial services in the greater St. Louis area. It…More specializes in the detection and removal of illness-causing residual microbes. So, besides making your workspace or facility look better, Coverall also makes it a healthier place to work. Coverall works with clients to create a personalized cleaning plan that suits both needs and budgets and uses only EPA-registered cleaning products. In addition, customer support is available 24 hours a day.