577.1R3. A regional holding company referred to in section 577.1 of the Act is any of the following corporations:(a) American Information Technologies Corporation, a corporation organized and existing under the laws of the State of Delaware;
(b) Bell Atlantic Corporation, a corporation organized and existing under the laws of the State of Delaware;
(c) Bellsouth Corporation, a corporation organized and existing under the laws of the State of Georgia;
(d) NYNEX Corporation, a corporation organized and existing under the laws of the State of Delaware;
(e) Pacific Telesis Group, a corporation organized and existing under the laws of the State of Nevada;
(f) Southwestern Bell Corporation, a corporation organized and existing under the laws of the State of Delaware; and
(g) US West Inc., a corporation organized and existing under the laws of the State of Colorado.