nTop is an Italian company founded in 1998, operating within the retail sector, specifically in consumer electronics and computers. With a workforce of 11 to 50 employees, the company reported a revenue of approximately 2.57 million USD. nTop has developed expertise in deep packet inspection (DPI) technologies, particularly through its open-source project nDPI. The company has documented its journey in transitioning from commercial DPI libraries to nDPI, highlighting the challenges and performance considerations associated with various DPI engines. In a recent presentation, nTop discussed the evolution of its DPI solutions, including the development of a QUIC dissector and the implications of changing vendor licensing terms. The company emphasizes the importance of maintainable code and performance in its offerings, while also addressing the limitations and configuration challenges inherent in their DPI solutions. This focus on technical development and practical application underscores nTop's commitment to advancing network analysis and traffic classification technologies in the retail industry.