| 1 | DLDA | DELGADO SA | | | SCAC4 |
| 2 | DLDE | DOLPHIN DELIVERY LTD | | | SCAC4 |
| 3 | DLDK | DONALDSON TRUCKING | | | SCAC4 |
| 4 | DLDL | DLD LOGISTICS INC | | | SCAC4 |
| 5 | DLDN | DA-LEE DUST CONTROL | | | SCAC4 |
| 6 | DLDS | DIAMOND LINE DELIVERY SYSTEMS INC | | | SCAC4 |
| 7 | DLDW | DOORLAND 2000 INC | | | SCAC4 |
| 8 | DLDX | Asphalt Products & Consulting, Inc. | added 7/2005; 7/2005 | | NAKINA |
| 9 | DLDX | Dow Chemical Co., Ludington Division | added 1/1956; 10/1957-7/1965; eliminated 1/1966 | | NAKINA |
| 10 | DLDX | Dow Chemical Co., Ludington Division | 10/57-7/65; eliminated 1/66 | | NRHS |
| 11 | DLDX | *DOW CHEMICAL CO., LUDINGTON DIV. | | | PWRC |
| 12 | DLDX | +ASPHALT PRODUCTS & CONSULTING, INC. | | | PWRC |
| 13 | DLDX | ASPHALT PRODUCTS & CONSULTING INC | | | SCAC4 |
