Texas Estates Code - EST § 1002.007. Corporate Fiduciary

(1) is existing or engaged in business under the laws of this state, another state, or the United States;

(2) has trust powers;  and

(3) is authorized by law to act under the order or appointment of a court of record, without giving bond, as guardian, receiver, trustee, executor, administrator, or, although the financial institution does not have general depository powers, depository for any money paid into the court, or to become sole guarantor or surety in or on any bond required to be given under the laws of this state.