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!

My event is estimated at attendees, for hours.
  • Will there be more women than men?
  • Will there be alcohol served?

Your Estimated Sanitation Services

Based on what you've told us, we've generated this estimate for your needs.

If you have more details or would like expert advice to make sure you get the best sanitation solution, please call us at 800.210.8407.

Estimated Standard Portable Restrooms Needed:0
Estimated Hand Wash Stations Needed:0
Estimated Enhanced Access Restrooms Needed:0

Looking for a custom quote on those items?


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crowd in front of portable restrooms

Why Choose On Site Companies?

We have served our clients for nearly three decades as market leaders in portable sanitation and temporary climate control, including temporary air conditioning rental in St Louis, MO. At On Site Companies, it is our incredible team that allows us to expertly and individually serve our clients. We take pride in the dignity, comfort, and capabilities we provide our clients and their workers, guests, family, and community. Our range of portable porta potty rentals allows us to supply your job site, event, workplace, and any situation with the most effective option available. We are committed to delivering satisfaction in every rental and purchase.



We elevate the industry with quality service and people



24/7/365 phone support from our team that cares



Five branches with a large inventory and modern fleet

portable restroom at fair


We supply comfort, dignity, and luxury through our array of portable restrooms, showers, and sanitation accessories. Get the restroom trailer rentals in Mankato, MN you need for your next event.

portable fans at event

Climate Control

From cold and brisk winters to hot and humid summers and everything in between, Minnesota makes managing construction projects or hosting events an attentive task.

septic truck

Septic Services

We are proud to offer a wide variety of septic services to our service area in Duluth, MN.

washing hands with portable sink


The SaniSink™ is the ultimate solution for hand washing and safe water drinking in a stand-alone, portable unit.

Request Quote

Quickly and easily build your custom quote. Find the right rental for your job site or occasion by exploring available options and prices. For more questions, we encourage you to get in touch with our team. We look forward to working with you!

Questions? Get In Touch!

Contact Us

What People Say About Us

18 Years of Consistent Service

On Site has been my go to for the last eighteen years. I have given them a number of different sites to set up on over the years, and they always manage well. I really have no reason to go elsewhere.

- Anthony

Always There No Matter What

GREAT service! No matter the weather you were always there. I really, really appreciate the reliable and thorough service, and so do all my customers.

- Dave

More Than Porta Potties

On Site is the place to go (pun intended) for your portable needs! They do much more than porta-potties! They have different options of ``luxury trailer`` bathrooms including heated and A/C equipped!

- Jeanine

Saving the Day

On Site Companies saved my day after another company backed out days before my daughters wedding. They were very responsive and provided a great product and service in a timely manner. I would recommend them anytime!

- Laurie

Seamless Service

Seamless operation that didn't require my attention. They took care of it all.

- Jodi

Finding the Best Option for You

This unit showed up and was a gleaming diamond. So awesome how advanced it was, with A/C and lighting. I thought this was the best option for us and it was and beyond.

- Junior

For All Occasions

We have used Onsite twice now for the air conditioned ``port-a-potty for weddings. They are perfect and guests are impressed. Thank you!

- Mary

Happy To Help

Thanks for the helping with are 2022 St. Peter All School Reunion Event!

- Robert