| National Railway Labor Conference | Related tax-exempt org | National repr | VA | 362491193 |
| The Railroad EE's National Dental Plan | Related tax-exempt org | Employee Welf | VA | 521102730 |
| Maint of Way EE's Supp Sick Benefit Plan | Related tax-exempt org | Employee Welf | VA | 521162945 |
| SSBP Covering RR Shop Craft & Signal EEs | Related tax-exempt org | Employee Welf | VA | 521162946 |
| The RR EEs National Health FSA Plan | Related tax-exempt org | Employee Welf | VA | 800868908 |
| National Carriers' Conference Committee | Related tax-exempt org | Plan sponsor | VA | 521036399 |
| Alton & Southern Railroad | Related taxable corporation/trust | Contr Employer | — | — |
| The Belt Railway Co of Chicago | Related taxable corporation/trust | Contr Employer | — | — |
| Portland Terminal Railroad Co | Related taxable corporation/trust | Contr Employer | — | — |
| Idaho & Sedalia Transportation Co LLC | Related taxable corporation/trust | Contr Employer | — | — |
| New Orleans Public Belt Railroad | Related taxable corporation/trust | Contr Employer | — | — |
| Providence & Worchester Railroad Company | Related taxable corporation/trust | Contr Employer | — | — |
| Louisiana & North WEST Railroad | Related taxable corporation/trust | Contr Employer | — | — |
| The Colorado & Wyoming Railway | Related taxable corporation/trust | Contr Employer | — | — |
| Delaware & Hudson Railroad | Related taxable corporation/trust | Contr Employer | — | — |
| GARY Railway | Related taxable corporation/trust | Contr Employer | — | — |
| Terminal Railway Alabama State Docks | Related taxable corporation/trust | Contr Employer | — | — |
| Indiana Harbor BELT | Related taxable corporation/trust | Contr Employer | — | — |
| Illinois Central Railroad | Related taxable corporation/trust | Contr Employer | — | — |
| Kansas City Southern Railway | Related taxable corporation/trust | Contr Employer | — | — |
| Kansas City Terminal Railway | Related taxable corporation/trust | Contr Employer | — | — |
| Union Railroad Company | Related taxable corporation/trust | Contr Employer | — | — |
| SOO Line Railroad Company | Related taxable corporation/trust | Contr Employer | — | — |
| Conrail Corporation | Related taxable corporation/trust | Contr Employer | — | — |
| PORT Terminal Railroad Assoc | Related taxable corporation/trust | Contr Employer | — | — |