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We're the experts

in temporary sanitation.

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Red and blue portable toilet unit


White exterior toilet trailer


Septic tank truck

Family Owned and Operated Since 1964


Since 1964, Mr. John has been a family-owned and operated business. We are experts in temporary sanitation and recognized as the leading portable restroom operator in Western Pennsylvania, Eastern Ohio, and West Virginia. Whether you need a construction site portable toilet, restroom trailers and VIP bathrooms for an upscale party, or flush units for a large special event, Mr. John’s diverse fleet and experienced staff will help make it a success.

“When quality service counts, call the professionals.”

Wishing you and your family
a happy and safe 4th of July!

In celebration of this year’s 4th of July holiday, Mr. John and Tri-Boro Trailer will be closed on Friday, July 3rd.

We will resume normal business hours on

Monday, July 6th from 8:00am to 5:00pm.

Should you have an emergency please email us at or call us at 412.298.1417.

Happy Independence Day to you and your family!

Mr. John and Tri-Boro Trailer