- Japan Electronics and Information Technology Industries Association (JEITA)
- Chiyoda First Bldg.South Wing, 3-2-1, Nishi-Kanda, Chiyoda-ku, Tokyo, 101-0065, Japan
http://www.jeita.or.jp/english/
- Communications and Information network Association of Japan (CIAJ)
- 3rd Fl., JEI Hamamatsucho Bldg., 2-2-12 Hamamatsucho, Minato-ku, Tokyo 105-0013
http://www.ciaj.or.jp/e.htm
- Computer Software Association of Japan(CSAJ)
- 4F Shuwa-tameike Bldg. 2-4-2 Nagata-cho, Chiyoda-ku, Tokyo, 100-0014
http://www.csaj.jp/english/
