Okla. Stat. tit. 68, § 68-1206: Corporations and organization exempted

The terms of this article shall not apply to the following

institutions, foreign or domestic: Savings and loan associations,

small business investment companies licensed under the Federal Small

Business Act of 1958, credit unions, trust companies, real estate

trusts operating under the Federal Real Estate Trust Act of 1960,

insurance companies, including surety and bond companies, retirement

or pension funds, savings banks and savings fund societies; nor to

any organization enumerated in Section 1201 of this title if such

organization is neither organized for profit nor operated for

profit, irrespective of the form of organization.