construction and maintenance office in Shinjuku Ku

独立行政法人 国際協力機構（JICA）広報室の公式Facebookページです。 http://www.jica.go.jp/

AECOM is a global network of design, engineering, construction and management professionals partnering with clients to imagine and deliver a better world.

Lendlease has a long & successful record in the UK specialising in project management & construction and providing services to the government.

Rio Tinto is a world leader in finding, mining and processing the earth's mineral resources.

東京都庁の公式ホームページ。都政に関する最新情報、記者会見、都議会や各局の情報、統計、入札・契約情報、知事への提言など。