EXFO Inc. is a company that provides test and service assurance solutions for wireless and wireline network operators and equipment manufacturers in the global telecommunications industry. The company offers field network testing, laboratory testing, and network monitoring solutions to help its customers enhance their network quality of service (QoS) and quality of experience (QoE) by reducing downtime, accelerating time-to-market for new services, and improving network performance. EXFO's customers include telecommunications service providers, cable operators, network equipment manufacturers, and enterprises that use telecommunications networks. EXFO has operations in more than 25 countries and serves customers in more than 100 countries.