Nikken

nikken.jp is a comprehensive professional consultancy group providing one-stop service for a large variety of planning, design and management. The group consists of the following companies: NIKKEN SEKKEI LTD NIKKEN SEKKEI RESEARCH INSTITUTE NIKKEN SEKKEI CIVIL ENGINEERING LTD Nikken Sekkei Management Solutions, INC. Nikken Sekkei Construction Management, INC. NIKKEN HOUSING SYSTEM LTD NIKKEN SPACE DESIGN LTD HOKKAIDO NIKKEN SEKKEI LTD