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"