| 1 | DCBG | DISTINGUISHED GENTLEMEN TRUCKING | | | SCAC4 |
| 2 | DCBL | DECAMP BUS LINES | | | SCAC4 |
| 3 | DCBN | DEMARK CUSTOMS BROKER INC | | | SCAC4 |
| 4 | DCBS | DAIMLER BUSES NORTH AMERICA LTD | | | SCAC4 |
| 5 | DCBT | DISCOVER BOOKS LTD | | | SCAC4 |
| 6 | DCBX | Degussa Engineered Carbons LP | added 4/2003; 7/2005 | | NAKINA |
| 7 | DCBX | Degussa Corp. | added 7/1991; 1/1994-7/2000; eliminated 4/2003 | | NAKINA |
| 8 | DCBX | Degussa Corp. | added 7/91; 1/94-7/2000 | | NRHS |
| 9 | DCBX | DEGUSSA ENGINEERED CARBONS, LLP [DEGUSSA CORP.] | | | PWRC |
| 10 | DCBX | DeGussa Engineered Carbons | | | RSRV |
| 11 | DCBX | DEGUSSA ENGINEERED CARBONS LP | | | SCAC4 |
