| National Railway Labor Conference | Related tax-exempt org | National repr | VA | 362491193 |
| RR EE's Nat'l Early Rtrmt Major Med Plan | Related tax-exempt org | Employee Welf | VA | 521184357 |
| 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 EE's National Health FSA Plan | Related tax-exempt org | Employee Welf | VA | 800868908 |
| NATIONAL Carriers Conference Committee | Related tax-exempt org | Plan sponsor | VA | 521036399 |
| National Railroad Passenger Corporation | Related taxable corporation/trust | Contr employer | — | — |
| Belt Railway Company of Chicago | Related taxable corporation/trust | Contr employer | — | — |
| Burlington Northern Inc | Related taxable corporation/trust | Contr employer | — | — |
| West Fruit Express | Related taxable corporation/trust | Contr employer | — | — |
| Central California Traction Co | Related taxable corporation/trust | Contr employer | — | — |
| Chicago South Shore&South Bend Railroad | Related taxable corporation/trust | Contr employer | — | — |
| Conrail Corporation | Related taxable corporation/trust | Contr employer | — | — |
| Csx Transportation Corporation | Related taxable corporation/trust | Contr employer | — | — |
| Delaware & Hudson Railway | Related taxable corporation/trust | Contr employer | — | — |
| Fore River Transportation | Related taxable corporation/trust | Contr employer | — | — |
| Idaho & Sedalia Transportation | Related taxable corporation/trust | Contr employer | — | — |
| Illinois Central Railroad | Related taxable corporation/trust | Contr employer | — | — |
| Indiana Harbor Belt Railroad | Related taxable corporation/trust | Contr employer | — | — |
| Iowa Interstate 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 | — | — |
| Longview Switching Company | Related taxable corporation/trust | Contr employer | — | — |
| Los Angeles junction Railroad | Related taxable corporation/trust | Contr employer | — | — |
| Mississippi Export Railroad | Related taxable corporation/trust | Contr employer | — | — |