Planning and organizing an event or function is less stressful when you place your trust and needs to seasoned professionals. Don's Johns is the largest, oldest, and most experienced company in the Washington D.C., Maryland and Virginia area. We provide competitive pricing, immediate delivery, and superior service for portable restrooms, sinks, hand sanitizer stations, restroom trailers, and shower trailers for all your event needs. We have the largest dedicated special events inventory in the entire Mid-Atlantic region. We also have the largest, newest fleet of service and delivery trucks to ensure that your order arrives on time and is serviced on schedule without excuses.