| 1 | NRHA | NORTH, HAROLD TRUCKING LTD | | | SCAC4 |
| 2 | NRHC | NORTH CARRIAGE TRANSPORT | | | SCAC4 |
| 3 | NRHE | NORTHEAST TRANSPORT | | | SCAC3 |
| 4 | NRHL | NORMS HAULING LTD | | | SCAC3 |
| 5 | NRHL | NORTHAM | | | SCAC4 |
| 6 | NRHN | NORTHERN HOMES INC | | | SCAC3 |
| 7 | NRHR | NORTHRIDGE EXPRESS INC | | | SCAC4 |
| 8 | NRHS | BALTIMORE CHAPTER-NRHS INC | | | PWRC |
| 9 | NRHS | NORTHEASTERN SOLUTIONS CORP | | | SCAC4 |
| 10 | NRHV | NIGHELLI, RC HEATING SERVICES LLC | | | SCAC4 |
| 11 | NRHX | National Railway Historical Society (passenger cars) | 1/1994-7/2005 (not listed) | | NAKINA |
| 12 | NRHX | National Railway Historical Society (passenger cars) | 1/94-7/2000 | | NRHS |
| 13 | NRHX | NATIONAL RAILWAY HISTORICAL SOCIETY - PASSENGER CARS | | | PWRC |
| 14 | NRHX | National Railway Historical Society | | | RSRV |
| 15 | NRHX | NATIONAL RAILWAY HISTORICAL SOCIETY | | | SCAC4 |
