Profile: Renco Corporation manufactures ultrasonic instruments. Our products are used for the detection of pregnancy and for the measurement of back fat and loin thickness in farm animals. We produce ultrasonic biomedical instruments. Our ultrasonic biomedical device is used to diagnose brain midline. Our Sono-Grader® is a complete ultrasonic instrument for gathering and storing backfat. Our Renco Lean-Meater® uses pulsed ultrasound to measure the backfat depth of growing hogs, sheep and cattle.