M-Tron Industries Inc is a diversified holding company with subsidiaries engaged in designing, manufacturing, and marketing high-engineered, high-reliability frequency and spectrum control products used to control the frequency or timing of signals in electronic circuits in various applications. The company's serving markets are aerospace and defense, space, and avionics. The company offers products such as microwave and millimeter wave filters; cavity, crystal, ceramic, lumped element, and switched filters; crystal resonators, integrated microwave assemblies, and solid-state power amplifier products.