The TSF Company has been bringing quality services, rentals, and sales to construction sites across Southern Indiana and the Tri-State area since 1959. More than 65 years later, the Schenk family continues the same dedication. TSF provides septic services of cleaning out residential septic tanks to large waste water holding tanks on industrial sites. Rentals include everything from Portable Toilets and Hand Wash Stations to Field Offices or Toilet Trailers. Every product sold by the TSF is made in the USA! Honesty, quality and value are at the heart of TSF. Whether you rent one or many portable restrooms, or purchase our products from across the nation, we will treat you like family. That’s why when you think portable restrooms, you think TSF!