Diversified manufacturing company ESCO Technologies focuses on three business segments: Utility Solutions (automation and communication devices for utilities), Filtration/Fluid Flow, and RF Shielding and Test. ESCO's communications equipment includes meter-reading technology and video surveillance systems used to monitor industrial applications. The company's filters are used in industrial applications, fuel systems, medical applications, and appliances. Test products include electromagnetic compatibility equipment such as antennas, probes, turntables, and calibration equipment, as well as radio-frequency shielding products.