東とう亜あ建けん設せつ工こう業ぎょうMeaningsNoun1. Toa CorporationKanji used東east亜Asia建build設set up工construction業businessComposed of東とう亜あEast Asia; the OrientNoun建けん設せつconstruction; establishmentNoun工こう業ぎょう(manufacturing) industryNoun