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


Temporary Sanitation

Porta potties, luxury restroom trailers, shower trailers, and accessories.

On Site Companies provides temporary restrooms in Minnesota, with offices in the Twin Cities (our corporate headquarters), Duluth, Rochester, and Mankato. We also serve the St. Louis, Missouri metro area.

We rent porta potties, restroom trailers, shower trailers, and accessories for construction, home builders, remodelers, special events, festivals. marathons, concerts, private events, parks, municipalities, and more. 

Porta Potties

Our Portable Sanitation offerings include standard portable restrooms, hand washing stations, fresh flush mobile offices and luxury restroom trailers. We can set you up with any sanitation needs you may have on your construction site.


Luxury Restroom Trailers

Our luxury restroom trailers range from two unit portable restrooms, to large multi-stall restrooms. Most trailers are equipped with running water sinks, flushing toilets and heating and air conditioning.



On Site offers a selection of accessories to go with our portable restrooms. From Hot and cold Water SansiSinks and Construction Hand Washing Stations to Grey Water Holding Tanks and Electric Space Heaters.


Shower Trailers

On Site’s shower trailers can provide hot water showers anywhere you can provide electricity and running water. These trailers can either be small two stall trailers, or large eight stall shower trailers. All trailers have both heating and air conditioning.


Get Started Now!

Call us at 800.210.8407 or fill out this simple form and a member of our sales team will contact you to help you get the right temporary sanitation for your event!