Fleet Commander luxury restroom trailers from Rich Specialty Trailers allows restroom contractors to use a smartphone to remotely check all vital functions. With GPS technology onboard, real-time status updates on fresh and waste tanks, electrical supply, and unit temperature are a click away. They are offered in popular floor plans from two to 12 stations. A Dura-Roof and Trim package is available. Fiberglass and aluminum roof structures include an arched bow, which allows rain and snow to run off easily. 260-593-2279; www.portablerestroomtrailer.com.