Japan Customs
http://www.customs.go.jp/english/index.htm

Bank of Japan
https://www.boj.or.jp/en/index.htm/

Cabinet Office
http://www.cao.go.jp/index-e.html

Foreign Press Center
http://fpcj.jp/en/

Japan Bank for International Cooperation (JBIC)
http://www.jbic.go.jp/en

Japan External Trade Organization (JETRO)
https://www.jetro.go.jp/en/

Ministry of Agriculture, Forestry and Fisheries
http://www.maff.go.jp/e/index.html

Ministry of Foreign Affairs
http://www.mofa.go.jp/

Ministry of Economy, Trade and Industry
http://www.meti.go.jp/english/

Ministry of Education, Culture, Sports, Science and Technology
http://www.mext.go.jp/en/

Ministry of Finance
http://www.mof.go.jp/english/index.htm

Ministry of the Environment
https://www.env.go.jp/en/

Statistics Bureau (includes statistics on economy, industry, and trade)
http://www.stat.go.jp/english/