thor is the sole owner of operating subsidiaries that, combined, represent the world’s largest manufacturer of recreational vehicles. over the years thor has received many honors for its growth and management success. in january, 2000, forbes included thor in its platinum 400 list, and in april, 2004, thor was added to standard & poor's mid-cap 400. also in 2004, forbes declared thor to be one of the "best managed companies in america."​ in 2005, fortune called thor one of "america's most admired companies,"​ and industry week ranked thor as one of the fifty best u. s. manufacturers.thor has become one of the most admired and respected companies, not only in the rv industry, but in american business as well.