Link

Japan External Trade Organization(JETRO)　　＊Enter "sip" and click "search" button.

URL : http://www.jetro.go.jp/en/invest/directory/
Organization for Small & Medium Enterprises and Regional Innovation, JAPAN（SMRJ)

URL : http://www.smrj.go.jp/utility/english/
Japan Venture Capital Association（JVCA）

URL : http://www.jvca.jp/en/About
The MIT Enterprise Forum of Japan

URL : http://www.mit-ef.jp/e/