General Oyster, Inc., through its subsidiaries, operates in the food and beverage business in Japan. It also engages in the processing and wholesale of oysters; and marine aquaculture, land-based aquaculture, and purification and logistics businesses. The company also operates a chain of restaurants under the Gumbo & Oyster Bar brand. General Oyster, Inc. was incorporated in 2000 and is headquartered in Tokyo, Japan.