California Code, Financial Code - FIN § 14406

(a) Commercial banks or trust companies, incorporated under the laws of this state.

(b) National banks doing business in this state.

(c) Shares or periodic certificates for funds received by or any form of evidence of interest or indebtedness issued by any credit union organized under this division or by any other credit union if its member accounts are insured as provided for by Subchapter II of the Federal Credit Union Act (12 U.S.C. Sec. 1781 et seq.), or, alternatively, are insured by other means determined acceptable by the commissioner.

(d) Accounts with, investment certificates or withdrawable shares of, any savings and loan association doing business in this state that is an insured institution pursuant to the Federal Deposit Insurance Corporation Act (12 U.S.C. Sec. 1811 et seq.).