| Ooggieya Ltd. ( Wilmington, DE ) | Oohiro Seisakusho Co., Ltd. | Oohiro Works, Ltd |
| Oogi Chemical Industry Co., Ltd. ( Osaka, JP ) | Oohiro Works Co., Ltd.( Osaka ) | Oohiro Works, Ltd. |
| Ooh La La!, Inc. ( Monterey Park, CA ) | Oohiro Works Ltd. | Oohiro Works, Ltd.( Osaka ) |
| Oohashi; Tsutomu | Oohiro Works Ltd.( Osaka ) | |