The Nihongo Yellow Pages (TM)

Home of the business directory in both English and Japanese (Nihongo Yellow Pages let you introduce your business to Japan. Advertising in English or Japanese is the first step in presenting your products or services to the Japanese business world and its customers.)
http://www.nyp.com/

Cyber Publishing Japan - Directory of Japanese businesses
http://cpj.topica.ne.jp/cpj/index-e.html

Japan Directory - http://www.jwindow.net/OLD/JDIR/jdir.html

Directory of Canadian Business in Japan
http://www.dcbj.com/

Yellow Pages Japan - Directory of Japanese Businesses in the
U.S. and Canada http://www.ypj.com/

Access to Japan - Provides contact points for major Japanese companies
http://www.keidanren.or.jp/A2J/

Asiaco:
http://japan.asiaco.com/english.html

Excite Japan
http://www.excite.co.jp

Infoseek Japan
http://www.japan.infoseek.com

Lycos Japan
http://www.lycos.co.jp

Okay Japanese - automatically translates English keywords into Japanese and submits the corresponding Japanese term to Japanese-language search
engines
http://www.okay.co.jp/jpn/

Moshix2.net - Search Engine of Japanese and US URLs
http://www.moshix2.net/

Yahoo! Japan - Japanese local version of Yahoo! You can have some look & feel of "Yahoo! U.S.A"
http://www.yahoo.co.jp

ODIN is one of the largest search engine in Japan, which has over 200,000 URLs, and maintained by just one student at Tokyo University.
His effort is worth respect !!
http://kichijiro.c.u-tokyo.ac.jp/odin/

Wow! It's a SONY !! SONY is famous for its compact products, but this search engine is really big & powerful !!!
http://www1.sony.co.jp/InfoPlaza/WAVESearch/

ACARA is full of interesting ideas and projects. Have a fun with this cute search engine like toy box !!
http://www.acara.com/

Dragon is operated by one of the venture company in Kyoto. It offers a directory service, which is well accustomed to the Japanese and friendly
to the users
http://www.dragon.co.jp/