Sansei R&D

Co., Ltd. Sansei R&D (株式会社サンセイアールアンドディ（Sansei R&D）) is a manufacturing and sales company. The company is the lead sponsor of the Garo franchise.

Anime

 * Garo: Honoo no Kokuin
 * Garo: Guren no Tsuki
 * Garo: Guren no Tsuki

Tokusatsu

 * Garo: Makai Senki
 * Garo: Yami o Terasu Mono
 * Zero: Black Blood
 * Garo: Makai no Hana
 * Garo: Gold Storm Sho