EXFO is a company that develops, manufactures, and markets network test, monitoring, and analytics solutions for the communications industry. It develops a service assurance platform and provides lab, manufacturing, and field network testing products such as sampling oscilloscopes, optical component testers, tunable optical filters, dispersion analyzers, power meters, and other solutions. The company serves communications service providers, academic and research institutions, network equipment manufacturers, webscale companies, data centers, etc.