Y S Engineering Solution is a prominent manufacturer of Automatic Power Factor Correction (APFC) Panels, rather than a list of five different companies. While they are not one of the top five largest manufacturers in the market, they are considered a leading provider due to their specialization in custom-built and high-quality solutions. Their Panels are highly regarded for their ability to precisely meet a client's specific load requirements. Y S Engineering Solution uses high-grade components, including capacitors, controllers, and contactors, to ensure the long-term reliability and efficiency of each Panel. By automatically correcting the power factor, their APFC Panels help businesses avoid Penalties from electricity providers, reduce energy costs, and extend the lifespan of their electrical equipment. This commitment to quality and customized design solidifies their standing as a trusted provider in the industry.