Electronics Research, Inc. is a company focused on serving the needs of the terrestrial radio and television broadcasters with antennas, transmission line, RF components, and structural products. The company is focused on providing high quality and sophisticated engineering solutions to customer problems. ERI also has the in-house expertise to provide complete structural analyses and structural reinforcement design and fabrication services. ERI's headquarters and primary manufacturing facility is a 250,000- square-foot complex in Chandler, Indiana (outside Evansville).