. "Any A county, municipality, or other political subdivision of the State, any an agency or department of them, including a school board, any a service organization as defined in Section 9-1-10(4) 9-1-10(11)(e), and any nonprofit corporation created under the provisions of Chapter 35 of Title 33, for the purpose of supplying water and sewer, may, in its discretion, may become an employer by applying" . . . . . . .