Winter Is Around The Corner!

Winter can be unpredictable. Be prepared and cozy with our featured products providing maximum comfort and productivity for your people and materials!   8×32 Combo This mobile office and storage combo trailer includes a single office with one entry door and storage area with roll up garage door. Features for this unit include: standard furniture… Read more »

Something Old, Something Blue, Mr. John Can Be Your Something New

Between the flower arrangements, seating charts, and double checking that you didn’t forget to invite your distant cousins, weddings can be a bit stressful. Thankfully, Mr. John is here to help! Comfort, Convenience, Beauty, and Style are what we keep in mind as our top priorities for special events like weddings. Our Elite Series (28,… Read more »

Add, Like, Favorite & Share Mr. John

Mr. John stays connected through several different platforms that are accessible via internet and applications both found on your phone or other wireless devices. Using Facebook, Twitter, Instagram, Google Plus, and Linked In, Mr. John incorporates these social components of media and direct feedback to improve and increase awareness of the Mr. John brand.  … Read more »

New Tri-Boro Trailer Site Has Arrived

Out With The Old and In With The New! Sorting through various products and pages can be overwhelming, so we wanted to make Tri-Boro Trailer’s website more efficient than ever. Our newly redesigned website has enhanced, user-friendly features giving site visitors ease when navigating through pages, printable PDF’s, guidelines, and much more. What Else Is… Read more »

The pieces of Mr. John

At Mr. John, we are passionate about our work and delivering reliable service to our customers each and every time.  Quality makes a difference and here is what separates us from the competition.

Map of USA

Oh, the places we’ll go!

Whether you have a job in Pittsburgh PA or Nashville TN, Mr. John is ready to handle all of your portable sanitation needs. Our portable toilets come in all shapes, sizes and varieties. We can add a sink, a sling or a heater to any portable toilet in our fleet. We have restrooms perfect for… Read more »

My time at Mr. John – by Allee

When you’re a kid you imagine you’ll have a firefighter’s or a doctor’s job. But you never expect to find a job working in the office of a portable toilet company in Pittsburgh. I got lucky, and this is my first “real” job. I say real in quotations not because this isn’t a serious job…. Read more »

Mr. John portable toilets

America Agrees: All Porta Potties Are Not Created Equally

You may be familiar with portajohns and porta-potties, even if it leads to a cringe-worthy reaction. That’s because generally speaking, the portable toilet rentals most of us grew up with are the single unit, cramped, smelly, sitting stalls that serve as a short-term solution to temporary sanitation problems. The truth is that portable restroom options… Read more »

6 Reasons You Should Choose a Flushing Toilet Rental

Apart from the convenience of having clean portable restrooms at large events, outdoor events or events where the indoor toilets cannot keep up with the demand, there are many benefits of portable sanitation. Flushing portable toilets take these benefits to the next level, providing an effective and environmentally friendly way to keep your event as… Read more »