List of companies transferred to Conrail
The Consolidated Rail Corporation (Conrail) was formed on April 1, 1976 not by a standard merger, but as a new government corporation that took over only designated lines and other rail-related assets from the existing bankrupt companies. Seven major companies were included: Penn Central Transportation Company (PC), successor to the New York Central Railroad (NYC), New York, New Haven and Hartford Railroad (NH), and Pennsylvania Railroad (PRR) Erie Lackawanna Railway (EL), successor to the Delaware, Lackawanna and Western Railroad (DL&W) and Erie Railroad (Erie) Ann Arbor Railroad (AA), controlled by Penn Central Central Railroad of New Jersey (CNJ) Lehigh and Hudson River Railway (L&HR) Lehigh Valley Railroad (LV), controlled by Penn Central Reading Company (RDG) So were most railroads that had been leased or controlled by them, sometimes jointly.
Source: Wikipedia — List of companies transferred to Conrail (CC BY-SA 4.0)