As used in this chapter:
(A) "Public utility" has the same meaning as in section 4905.02 of the Revised Code.
(B) "Electric light company," "gas company," "natural gas company," "pipeline company," "water-works company," "sewage disposal system company," and "street railway company" have the same meanings as in section 4905.03 of the Revised Code.
(C) "Railroad" has the same meaning as in section 4907.02 of the Revised Code.
(D) "For-hire motor carrier" has the same meaning as in section 4921.01 of the Revised Code.