Otium Hotels - Home OTI Group of Companies, which is providing service in the Tourism sector since 1992, has gathered its subsidiaries under the roof of OTI Holding in 2006.
Global Architectural Systems, Inc. Global Architectural Systems, Inc. has over 100 years of combined experience in the design, engineering, and fabrication of structural glass systems including Glass Fin Structures, Glass Canopies, Structural Glass Skylights