(a) The generation, manufacture, transmission or distribution of electricity to or for the public for compensation.
(b) The distribution or sale of natural or artificial gas to the public for compensation; provided, however, Sections 27-35-331 through 27-35-343 shall not apply to entities engaged in the interstate transmission of gas by pipeline.
(c) The transmission, conveyance or reception of any message over wire or by radio, or otherwise, of writing, signs, signals, pictures and sounds of all kinds by or for the public for compensation; provided, however, Sections 27-35-331 through 27-35-343 shall not apply to telephone companies whose properties are located in not more than six (6) counties as provided in Section 27-35-319, Mississippi Code of 1972.