ShellTiers mission is to lead in new markets by featuring technologies of above and underground sheltering and rescue solutions through developing "bubble-like" constructions, based primarily on composite and nano-materials, that are maintenance-free, easily - sealable, transportable, upgradeable and deployable, for enabling customizable, all-weather, independent and isolated protection of people and valuable property, as well as enhancing continuity of operations for the government and private sectors, pre, during and post natural and manmade disasters.