TJ Maxx also well known as TJMaxx or TJX, is a superstore chain in United State of America that is famous for selling products at lower prices compared to other superstore chains in the market. TJ Maxx Tjx Credit Card Login also well known as TJMaxx or TJX, is a superstore chain in United State of America that is famous for selling products at lower prices compared to other superstore chains in the market.