Meguiar's Marine & RV Care products by Meguiar's Inc. The family business that began over a century ago in the garage of founder Frank Meguiar, Jr. now spans three generations of Meguiar’s and 92 countries. Since then, Meguiar’s, Inc. has become one of the world’s most respected manufacturer of cleaners, polishes, waxes, conditioners and protectants for every conceivable surface.