The group's principal activity is to operate and franchise fast food units. these units feature beef frankfurters, crinkle-cut french fried potatoes and a variety of other menu offerings. nathans' hot dogs are all-beef and are free from all fillers and starches and are flavored with the original secret blend of spices. the group offers management training courses for management personnel of company-owned and franchised restaurants. it also provides development and construction support services to miami subs franchisees. the group consists of 364 franchised units, 22 group-owned units and 1,500 nathan's branded product points of sale that feature all-beef hot dogs, located in 39 states, the district of columbia and 14 foreign countries. fast food units accounted for 76% of fiscal 2002 revenues; Franchise fees and royalties, 19% and license royalties, 5%.