Electro-Sensors, Inc. manufactures and sells industrial production monitoring and process control systems that measure machine production rates and regulate equipment speed in manufacturing and processing operations. Its product portfolio includes speed monitoring systems with digital closed-loop control, temperature and vibration sensors, position monitors, tilt switches, and integrated hazard monitoring systems that combine multiple sensors with programmable logic for rapid fault diagnosis; the company also distributes complementary products from other manufacturers. ESI serves diverse industrial markets including grain milling, bulk materials, food processing, manufacturing, and power generation, both domestically and internationally through internal sales teams, manufacturer representatives, and distributors, generating revenue from product sales to retrofit and new equipment customers while competing on superior design, quality, and ready-to-install functionality.