When Trumen first began operations in 2009, they produced tuning fork level switches for use in liquid and solid applications. Capacitance Level Transmitter and Capacitance Level Switches, RF Admittance Level Switches, Rotating Paddle Level Switches, Conductivity Type Level Switches, Vibrating Rod Level Switches, Hydrostatic Level Transmitter, Radar Level Transmitter, and Ultrasonic Level Transmitter were later added, expanding the manufacturing range.