Listing of all casinos in the USA, by state, where you can click on the name of a state to view a complete directory of its casinos. To see a list of casinos by city. Your privacy and security is our number one priority here at Grosvenor Casinos. We protect your account with market-leading security technology so we're one. The following Indian-owned casinos and bingo halls are located in the state of California. Click the casino or bingo hall name or photo to view more details.