F.B. Leopold wants to give you a nice, lean glass of water. The company develops and manufactures water and wastewater clarification, purification, and sludge collection equipment and backwash recovery systems. Customers include companies in the water and wastewater treatment industries. Its wastewater treatment systems include tertiary filtration, denitrification, clarification, and sludge collection systems. Founded in 1924, F.B. Leopold has been a part of ITT's Water & Wastewater Treament division since 2006.