The Transportation Board and the Agency of Transportation shall have jurisdiction over the following described companies within the State, their directors, receivers, trustees, lessees, or other persons or companies owning or operating the companies and of all plants, lines, terminals, facilities, and equipment of the companies used in or about the business carried on by them in this State. This jurisdiction shall be exercised by the Board and the Agency so far as may be necessary to enable them to perform the duties and exercise the powers conferred upon them by law. The Board and the Agency may, when they deem the public good requires, examine the plants, lines, terminals, facilities, and equipment of the companies subject to their jurisdiction under this chapter. The Transportation Board and the Agency of Transportation shall have jurisdiction over the following described companies within the State: