Portable restroom service trucks from Southwest Products are customizable in a variety of sizes and configurations and include dual-side service, restroom carrier, custom lighting and dual-compartment freshwater/waste tanks. They are offered in traditional configurations, as well as a “hot dog” design with carbon steel waste tanks and a stainless steel internal tank, a 500-gallon freshwater tank and a Burks DC-10 water pump. They have a Masport water-cooled pump, bucket holders, primary and secondary shut-offs, HID light package and 2-inch bucket fill. Waste tanks start at 250 gallons and both trailer-mounted and slide-in vacuum tanks are available. 602/269-3581; www.southwestproducts.com.