| 1 | DTCD | DELEURME TRUCKING LTD | | | SCAC4 |
| 2 | DTCH | DISTTECH | | | SCAC4 |
| 3 | DTCL | DIRECT CONTAINER LINE | | | SCAC4 |
| 4 | DTCM | DALLAND TRANSPORT COMPANY INC | | | SCAC4 |
| 5 | DTCN | DAVIS & DAVIS TRANSPORT LLC | | | SCAC4 |
| 6 | DTCS | D T TRANSPORT INC | | | SCAC4 |
| 7 | DTCU | DECCAN TRANSCON LEASING PVT LTD | | IND | BIC |
| 8 | DTCW | DIANE TANKER CORPORATION | | | SCAC4 |
| 9 | DTCX | DTE Transportation Services, Inc. | 7/2005 | | NAKINA |
| 10 | DTCX | DTE Coal Services | added 4/2009 | | NAKINA |
| 11 | DTCX | DTE Coal Services, Inc. | added 7/2001; eliminated 1/2009 | | NAKINA |
| 12 | DTCX | DTE Transportation Services, Inc. | 7/2000 (not listed) | | NAKINA |
| 13 | DTCX | Domtar Ltd. | added 10/1965; 10/1966-4/1970; eliminated 7/1973 | | NAKINA |
| 14 | DTCX | Dominion Tar & Chemical Co., Ltd. | 8/1920-7/1965; eliminated 10/1965 | | NAKINA |
| 15 | DTCX | Dominion Tar & Chemical Co., Ltd. | 4/38-7/65; eliminated 10/65 | | NRHS |
| 16 | DTCX | Domtar Ltd. | added 10/65; 10/66-4/70; eliminated 7/73 | | NRHS |
| 17 | DTCX | DTE Transportation Services, Inc. | Jul-00 | | NRHS |
| 18 | DTCX | DTE Coal Services, Inc. | added 7/2001 | | NRHS |
| 19 | DTCX | *DOMTAR LTD. [DOMINION TAR & CHEMICAL CO., LTD.] | | | PWRC |
| 20 | DTCX | +DTE TRANSPORTATION SERVICES, INC. | | | PWRC |
| 21 | DTCX | DTE Transportation Services | | | RSRV |
| 22 | DTCX | DTE COAL SERVICES INC | | | SCAC4 |
| 23 | DTCX | Dominion Tar & Chemical Co., Ltd. | | USA | TRAFFIC |
