| OKAYAMA BUSINESS COLLEGE JAPANESE LANGUAGE COURSE |
2-11 Iwata-cho, Kita-ku, Okayama-shi, Okayama 700-0022 |
| OKAYAMA INSTITUTE OF LANGUAGES |
2-10 Funabashi-cho, Kita-ku, Okayama-shi, Okayama 700-0841 |
| OKAYAMA INSTITUTE OF SCIENCE AND TECHNOLOGY JAPANESE LANGUAGE COURSE |
8-10 Showa-cho, Kita-ku, Okayama-shi, Okayama 700-0032 |
| OKAZAKI JAPANESE LANGUAGE SCHOOL |
1-1 Koseidorinishi, Okazaki-shi, Aichi 444-0059 |
| ONE PURPOSE INTERNATIONAL ACADEMY |
3-6-18, Daito-cho, Miyakojima-ku, Osaka-shi, Osaka 534-0002 |
| OSAFUNE JAPANESE LANGUAGE SCHOOL |
3-10 Banzan-cho, Kita-ku, Okayama-shi, Okayama 700-0818 |
| OSAKA COLLEGE OF HIGH-TECHNOLOGY |
1-2-43, Miyahara, Yodogawa-ku, Osaka-shi, Osaka 532-0003 |
| OSAKA FOREIN LANGUAGE SCHOOL |
2-6-14 Kitakyuhojimachi, Chuo-ku, Osaka-shi, Osaka 541-0057 |
| OSAKA FRONTIER JAPANESE LANGUAGE SCHOOL |
1-1-2 Kaisan-cho, Sakai-ku, Sakai-shi, Osaka 590-0982 |
| OSAKA INTERNATIONAL LANGUAGE INSTITUTE |
1-29-2 Nishikujo, Konohana-ku, Osaka-shi, Osaka 554-0012 |
| OSAKA JAPANESE LANGUAGE ACADEMY |
2-2-12 Nagayoshi-nagaharanishi, Hirano-ku, Osaka-shi, Osaka 547-0015 |
| OSAKA JAPANESE LANGUAGE EDUCATION CENTER JAPAN STUDENT SERVICES ORGANIZATION |
8-3-13 Uehonmachi, Tennoji-ku, Osaka-shi, Osaka 543-0001 |
| OSAKA MINAMI JAPANESE LANGUAGE SCHOOL |
5-2-38 Kire, Hirano-ku, Osaka-shi, Osaka 547-0027 |
| OSAKA YMCA GAKUIN |
9-52 Minamikawahori-cho, Tennoji-ku, Osaka-shi, Osaka 543-0073 |
