Restroom Calculator

Need an estimate for how many porta potties your event needs? Use this handy calculator! For a more specific quote tailored to your needs, call us today at 800-210-8407!

special events calculator
*By completing this calculator, you are consenting to being contacted by On Site for more information


On Site Companies Has Five Convenient Locations Around the Midwest.

On Site Companies (located in St. Paul MN, Mankato MN, Rochester MN, Cromwell, MN and St. Louis MO) offers a wide range of portable sanitation solutions to fit your every need. We have products to fit your construction site or special event and our solutions vary for any job. For your construction site, On Site Companies can provide a range of portable restrooms, including standard porta potties, hook units, high rise units and mobile units, as well as hand wash stations and hot water SaniSinks. For your special events, our offerings range from our standard special event portable restrooms and hand wash stations, to our full line of luxury restroom trailers and shower trailers. Our luxury restroom trailers and shower trailers come equipped with running water sinks, flush toilets and heating and air conditioning solutions.

With our locations in St. Paul, Cromwell, Mankato and Rochester MN, as well as St. Louis MO, we can offer service to the Minneapolis/ St. Paul Metro areas, as well as the Rochester, Mankato, Duluth, and St. Cloud areas.


With Headquarters Through the Midwest, We Can Offer Solutions Close to You.

Sanitation Services

Construction Restrooms, Special Events Restrooms, Luxury Restroom Trailers


Climate Control

Temporary Heating, Portable Air Conditioning, Ground Thaw, Dehumidification, Air Movers