Transtar (US Company)
# Transtar (US Company)

Transtar, Inc. is a subsidiary of US Steel. It was organized in 1988 to own US Steel's railroad and other transportation subsidiaries. In the third quarter of 2021 it will be taken over by Fortress Transportation and Infrastructure Investors.

Transtar owns or has owned the following companies:

| Company | Acquired from | Date | Notes |
| - | - | - | - |
| Birmingham Terminal Railway | US Steel | 1988 | Sent to Watco in 2012, name changed from Birmingham Southern Railroad to Birmingham Terminal Railway. |
| Delray Connecting Railroad | National Steel Corporation | 2003 | Owned directly by US Steel until 2005 |
| Gary Railway | US Steel | 2009 | Created from unsold part of Elgin, Joliet & Eastern Railway |
| Fairfield Southern Company | US Steel | 1988 | In-plant operation; subsidiary of Birmingham Southern Railroad |
| Lake Terminal Railroad | US Steel | 1988 |
| Lorain Northern Railroad | Unknown | N/A | Operates in close relations with the Lake Terminal Railroad |
| McKeesport Connecting Railroad | US Steel | 1988 | Ceased operations |
| Mobile River Terminal Company | US Steel | 1988 | Subsidiary of Warrior and Gulf Navigation Company |
| Texas and Northern Railway | Lone Star Steel Company | 2007 |
| Union Railroad | US Steel | 1988 |
| Warrior and Gulf Navigation Company | US Steel | 1988 |
| Bessemer & Lake Erie Railroad | US Steel | 1988 | Sold 2001 to Great Lakes Transportation |
| Duluth, Missabe & Iron Range Railway | US Steel | 1988 | Sold 2001 to Great Lakes Transportation |
| Pittsburgh and Conneaut Dock Company | US Steel | 1988 | Sold 2001 to Great Lakes Transportation |
| USS Great Lakes Fleet | US Steel | 1988 | Sold 2001 to Great Lakes Transportation |
| Elgin, Joliet & Eastern Railway | US Steel | 1988 | Sold 2009 to Canadian National |
