Vertex Corporation is a Japan-based holding company engaged in the operation and management of subsidiaries which manufacture secondary concrete products and other related business. The Companyâs subsidiary HOKUKON CO., LTD operates through four business segments: block business, pile business, construction business and other business. The Companyâs subsidiary HANEDA ZENITH HOLDINGS Co.,Ltd operates business through four business segments: concrete products, ceramic business, construction business, as well as other business.
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