On Site portable toilets offers St. Louis the best in porta potty rental! We offer full-service contracts to weddings, construction sites, special events and disaster relief throughout the greater St. Louis area. With a wide range of offerings in sanitation solutions, we have products that will fit your every need. Whether that’s a standard porta potty, luxury restroom trailer, shower stations, hand wash and hot water portable SaniSinks, or even flame heaters, On Site is the company to turn to!