| 1 | RDG | Norfolk Southern R.R. Co. (Norfolk Southern) | added 7/1999; 7/2000-7/2005 | | NAKINA |
| 2 | RDG | Consolidated Rail Corp. | added 4/1976; 1/1980-1/1994; eliminated 7/1999 | | NAKINA |
| 3 | RDG | Reading Co., Andrew L. Lewis, Jr. and Joseph L. Castle, Trustees | eliminated 4/1976 | | NAKINA |
| 4 | RDG | Reading Co. | 7/1930-1/1975 | | NAKINA |
| 5 | RDG | Reading Co. | 4/38-1/75 | | NRHS |
| 6 | RDG | Reading Co., Andrew L. Lewis, Jr. and Joseph L. Castle, Trustees | eliminated 4/76 | | NRHS |
| 7 | RDG | Consolidated Rail Corp. | added 4/76; 1/80-1/94; eliminated 7/99 | | NRHS |
| 8 | RDG | Norfolk Southern R.R. Co. (Norfolk Southern) | added 7/99; 7/2000 | | NRHS |
| 9 | RDG | NORFOLK SOUTHERN RAILROAD CO. [CONSOLIDATED RAIL CORP.; READING CO.] | | | PWRC |
| 10 | RDG | Reading Railroad (Norfolk Southern) | | | RSRV |
| 11 | RDG | Reading Company | | USA | TRAFFIC |
| 12 | RDGA | RED DOG TRUCKING INC | | | SCAC4 |
| 13 | RDGB | RED GOLD BOTTLING CORPORATION | | | SCAC4 |
| 14 | RDGD | RIVINGTON, DOUGLAS G | | | SCAC4 |
| 15 | RDGF | RED DOG EXPRESS LLC | | | SCAC4 |
| 16 | RDGH | RATCHFORD, GEORGE H INC | | | SCAC3 |
| 17 | RDGH | RATCHFORD, GEORGE H INC | | | SCAC4 |
| 18 | RDGI | REDGO INC | | | SCAC4 |
| 19 | RDGK | RODGERS TRUCKING CO | | | SCAC3 |
| 20 | RDGL | RIDGELINE TRUCKING INC | | | SCAC3 |
| 21 | RDGM | READING MOVING & STORAGE CO INC | | | SCAC3 |
| 22 | RDGM | RODRIGUEZ MONSIVAIS, LUCIANO RODOLF | | | SCAC4 |
| 23 | RDGN | REDS GARAGE INC | | | SCAC3 |
| 24 | RDGO | REED, GEORGE, TRUCKING, INC | | | SCAC3 |
| 25 | RDGO | REED, GEORGE TRUCKING COMPANY INC | | | SCAC4 |
| 26 | RDGQ | RIDGECREST MOVING & STORAGE CO INC | | | SCAC3 |
| 27 | RDGQ | RIDGECREST MOVING & STORAGE CO INC | | | SCAC4 |
| 28 | RDGR | RODGERS BROTHERS EXPRESS, INCORPORA | | | SCAC3 |
| 29 | RDGR | Regionalverkehrsdienst Gründau | Real: RDG, City: Gründau | D | TRAFFIC |
| 30 | RDGS | RODGERS TRUCK SERVICE | | | SCAC3 |
| 31 | RDGT | RODGERS TRUCKING | | | SCAC3 |
| 32 | RDGT | RODGERS TRUCKING | | | SCAC4 |
