L. W. Allen manufactures water and wastewater control systems and distributes pumps to municipal and industrial customers. The company’s electrical control solutions (marketed under the Altronex brand) provide the hardware, software and services used by operators to control water and wastewater systems. The company also designs, distributes, installs and services water and wastewater treatment pump systems. The company was founded in 1962 and is headquartered in Madison, Wisconsin.