| Name | Control | Notes |
|---|
| Allentown Terminal Railroad | CNJ |
| Ann Arbor Railroad | AA |
| Baltimore and Eastern Railroad | PC (PRR) |
| Bay Shore Connecting Railroad | CNJ/LV |
| Beech Creek Railroad | PC (NYC) |
| Buffalo Creek Railroad | EL (Erie)/LV | Merged on December 31, 1983 [4] |
| Central Indiana Railway | PC (NYC/PRR) |
| Central Railroad of New Jersey | CNJ |
| Central Railroad of Pennsylvania | CNJ | No real property conveyed |
| Chicago, Kalamazoo and Saginaw Railway | PC (NYC) |
| Chicago River and Indiana Railroad | PC (NYC) |
| Cleveland and Pittsburgh Railroad | PC (PRR) |
| Cleveland, Cincinnati, Chicago and St. Louis Railway | PC (NYC) |
| Connecting Railway | PC (PRR) |
| Dayton Union Railway | PC (NYC/PRR) |
| Delaware Railroad | PC (PRR) |
| Delaware and Bound Brook Railroad | RDG |
| Detroit Manufacturers Railroad | PC (NYC) |
| Dover and Rockaway Railroad | CNJ |
| East Pennsylvania Railroad | RDG |
| Erie and Kalamazoo Railroad | PC (NYC) |
| Erie Lackawanna Railway | EL (Erie/DL&W) |
| Erie and Pittsburgh Railroad | PC (PRR) |
| Fort Wayne and Jackson Railroad | PC (NYC) |
| Holyoke and Westfield Railroad | PC (NH) |
| Hudson River Bridge Company at Albany | PC (NYC) |
| Indianapolis Union Railway | PC (NYC/PRR) |
| Ironton Railroad | LV/RDG |
| Joliet and Northern Indiana Railroad | PC (NYC) |
| Kalamazoo, Allegan and Grand Rapids Railroad | PC (NYC) |
| Lackawanna and Wyoming Valley Railway | EL (DL&W) |
| Lehigh and Hudson River Railway | L&HR |
| Lehigh and New England Railway | CNJ |
| Lehigh Valley Railroad | LV |
| Little Miami Railroad | PC (PRR) |
| Mahoning Coal Railroad | PC (NYC) |
| Mahoning and Shenango Valley Company | PC (NYC) |
| Michigan Central Railroad | PC (NYC) |
| Monongahela Railway | MGA | Merged on May 1, 1993 |
| Mount Hope Mineral Railroad | CNJ |
| New York Connecting Railroad | PC (NH/PRR) |
| New York and Long Branch Railroad | PC (PRR)/CNJ |
| Niagara Junction Railway | EL (Erie)/LV/PC (NYC) |
| North Brookfield Railroad | PC (NH) |
| North Pennsylvania Railroad | RDG |
| Northern Central Railway | PC (PRR) |
| Norwich and Worcester Railroad | PC (NH) |
| Penn Central Transportation Company | PC (NYC/PRR/NH) |
| Penndel Company | PC (NYC/PRR) | Successor to a number of non-operating subsidiaries |
| Pennsylvania and Atlantic Railroad | PC (PRR) |
| Pennsylvania–Reading Seashore Lines | PC (PRR)/RDG |
| Pennsylvania Tunnel and Terminal Railroad | PC (PRR) |
| Peoria and Eastern Railway | PC (NYC) |
| Philadelphia, Baltimore and Washington Railroad | PC (PRR) |
| Philadelphia, Germantown and Norristown Railroad | RDG |
| Philadelphia and Trenton Railroad | PC (PRR) |
| Pittsburgh, Fort Wayne and Chicago Railway | PC (PRR) |
| Pittsburgh, Youngstown and Ashtabula Railway | PC (PRR) |
| Plymouth Railroad | RDG |
| Port Reading Railroad | RDG |
| Raritan River Railroad | PC (PRR)/CNJ | Merged in April 1980 [3] |
| Reading Company | RDG |
| Rochester and Genesee Valley Railroad | EL (Erie) |
| Shamokin Valley and Pottsville Railroad | PC (PRR) |
| South Manchester Railroad | PC (NH) |
| Trenton–Princeton Traction Company | RDG |
| Troy and Greenbush Railroad | PC (NYC) |
| Union Depot Company (Columbus, Ohio) | PC (NYC/PRR) |
| Union Railroad of Baltimore | PC (PRR) |
| United New Jersey Railroad and Canal Company | PC (PRR) |
| Waynesburg Southern Railroad | PC (PRR) |
| Waynesburg and Washington Railroad | PC (PRR) |
| West Jersey and Seashore Railroad | PC (PRR)/RDG |
| Wharton and Northern Railroad | CNJ |
| Wilmington and Northern Railroad | RDG |
| American Contract Company | PC | No real property conveyed |
| Communipaw Central Land Company | CNJ |
| Consolidated Real Estate Company | LV |
| Despatch Shops, Inc. | PC |
| Eastern Real Estate Company | RDG |
| Erie Land and Improvement Company | EL (Erie) |
| Erie Land and Improvement Company of Pennsylvania | EL (Erie) |
| Hoboken Ferry Company | EL (DL&W) |
| Hudson Realty Company | EL |
| Lawroy Land Company | EL |
| Manor Real Estate Company | PC |
| New York Central Development Corporation | PC |
| Penndiana Improvement Corporation | PC |
| Providence Produce Warehouse Company | PC |
| United Real Estate Company | LV |