Widely Recognized as the Leader in Highway construction.

Highway construction which is the basis for the development of the nation's key industries, ULTRA's experience and knowledge has led to remarkable achievements. ULTRA’s capability to thoroughly understand and conduct on-site surveys, data gathering, data analysis, planning and operation led to many excellent project outcomes.Especially, ULTRA has received an unstinted praise for completing the Jungbu and Pangyo-Guri Expressways using ULTRA's modern equipments and by implementing its original reinforced concrete method that results in an exceptionally solid and even surface.
ULTRA will always continue to make every effort to bring you the very best as expected.