PORTLAND, OR— Danda General Contractors has been added to Hilton Hotels Corp.s exclusive vendor list known as Hiltons Suppliers Corner— an on-line resource Hilton provides its franchisees to help them select vendors for a variety of services. According to Danda, it is one of only a handful of general contractors nationwide listed by Hilton on its website. Projects that Danda has built include several Hilton-franchised properties, most recently the Hampton Inns in Medford, OR, and Eugene, OR. Danda, based here, specializes in the construction and development of commercial property throughout the western United States.