Okla. Stat. tit. 25, § 33

The terms "state agency", "agency of the state", "public officer" or "state officer", when used in any statute other than the Public Trust Act, Sections 176 through 180.55 of Title 60 of the Oklahoma Statutes, and Sections 164 through 166 of Title 60 of the Oklahoma Statutes, shall not include the Oklahoma Ordnance Works Authority or its Trustees, or the Northeast Oklahoma Public Facilities Authority except where a contrary intention plainly and expressly appears.