| DLTH | | Retail-Apparel & Accessory Stores | 1649744 |
| DLTR | | Retail-Variety Stores | 935703 |
| DLX | | Blankbooks, Looseleaf Binders & Bookbindg & Relatd Work | 27996 |
| DLXY | | Wholesale-Petroleum & Petroleum Products (No Bulk Stations) | 2025218 |
| DLY | | - | 1788399 |
| DMA | | - | 1523289 |
| DMAA | | Blank Checks | 2028614 |
| DMAC | | Pharmaceutical Preparations | 1401040 |
| DMB | | - | 1565381 |
| DMII | | Blank Checks | 2040475 |
| DMLP | | Crude Petroleum & Natural Gas | 1172358 |
| DMNIF | | Motorcycles, Bicycles & Parts | 2000640 |
| DMO | | - | 1478102 |
| DMRC | | Services-Computer Integrated Systems Design | 1438231 |
| DMYY | | Blank Checks | 1915380 |
| DNA | | Biological Products, (No Diagnostic Substances) | 1830214 |
| DNLI | | Biological Products, (No Diagnostic Substances) | 1714899 |
| DNMX | | Blank Checks | 2081125 |
| DNN | | Miscellaneous Metal Ores | 1063259 |
| DNOW | | Oil & Gas Field Machinery & Equipment | 1599617 |
| DNP | | - | 806628 |
| DNTH | | Pharmaceutical Preparations | 1690585 |
| DNUT | | Retail-Food Stores | 1857154 |
| DOC | | Real Estate Investment Trusts | 765880 |
| DOCN | | Services-Computer Programming, Data Processing, Etc. | 1582961 |
| DOCS | | Services-Computer Programming Services | 1516513 |
| DOCU | | Services-Prepackaged Software | 1261333 |
| DOGP | | Services-Personal Services | 1360442 |
| DOGZ | | Miscellaneous Manufacturing Industries | 1707303 |
| DOLE | | Agricultural Production-Crops | 1857475 |
| DOMH | | Security Brokers, Dealers & Flotation Companies | 12239 |
| DOMO | | Services-Prepackaged Software | 1505952 |
| DOOO | | Miscellaneous Transportation Equipment | 1748797 |
| DORM | | Motor Vehicle Parts & Accessories | 868780 |
| DOT | | Commodity Contracts Brokers & Dealers | 2083137 |
| DOUG | | Real Estate Agents & Managers (For Others) | 1878897 |
| DOV | | Construction, Mining & Materials Handling Machinery & Equip | 29905 |
| DOW | | Plastic Materials, Synth Resins & Nonvulcan Elastomers | 1751788 |
| DOWAY | | - | 2038919 |
| DOX | | Services-Computer Programming Services | 1062579 |
| DOYU | | Services-Computer Programming, Data Processing, Etc. | 1762417 |
| DPDSY | | - | 2094201 |
| DPG | | - | 1515671 |
| DPLMF | | American Depositary Receipts | 1529906 |
| DPLS | | Services-Prepackaged Software | 866439 |
| DPRO | | Aircraft | 1786286 |
| DPUI | | Commercial Printing | 1791929 |
| DPZ | | Wholesale-Groceries & Related Products | 1286681 |
| DQ | | Semiconductors & Related Devices | 1477641 |
| DQWS | | Perfumes, Cosmetics & Other Toilet Preparations | 1652561 |
