Saitama-ken (south)

I can highly recommend Koshino-sensei who teaches at locations in Soka, Tsuruse, Tokorozawa, and Minami Koshigaya. He can be reached by phone at 090-6659-7275. Here is the home page (in Japanese), click on the envelope icon to send e-mail, or contact me at the address above and I will send you his e-mail address.

Minami Koshigaya: Saturday 9:00 - 10:30 pm, Sunday 6:00 - 8:00 pm
Soka: Saturday 11:00 am -12:30 pm
Tokorozawa: Tuesday 7:00 - 9:00 pm, Saturday 4:00 - 6:00 pm
Tsuruse: Sunday 11:00 am - 1:00 pm

Shinshinkan dojo is also located in Saitama Prefecture, with a number of locations including Omiya. Here is the home page (in Japanese).