Each firm lawfully licensed and engaged in any of the following: the transmission of telegraphic or telephonic messages; the production, storage, transmission, distribution, sale, delivery, or furnishing of heat, cold, light, power, electricity, gas, or water; the disposal of sewage; the conveyance of oil or gas by pipeline; the drilling of water wells; or the installation or repair of facilities for any of these foregoing activities.
625 ILCS 5/1-164.7