| ABVE | | Food and Kindred Products | 1979484 |
| ABVX | | Pharmaceutical Preparations | 1956827 |
| ABXXF | | Services-Prepackaged Software | 1971975 |
| ACA | | Fabricated Structural Metal Products | 1739445 |
| ACAD | | Pharmaceutical Preparations | 1070494 |
| ACB | | Medicinal Chemicals & Botanical Products | 1683541 |
| ACBM | | Services-Amusement & Recreation Services | 1622996 |
| ACCL | | Services-Management Consulting Services | 2038378 |
| ACCO | | Blankbooks, Looseleaf Binders & Bookbindg & Relatd Work | 712034 |
| ACCS | | Services-Management Consulting Services | 843006 |
| ACDC | | Oil & Gas Field Services, NEC | 1881487 |
| ACEL | | Services-Amusement & Recreation Services | 1698991 |
| ACET | | Pharmaceutical Preparations | 1720580 |
| ACFN | | Services-Engineering Services | 880984 |
| ACGL | | Fire, Marine & Casualty Insurance | 947484 |
| ACGP | | Security Brokers, Dealers & Flotation Companies | 1642122 |
| ACHC | | Services-Specialty Outpatient Facilities, NEC | 1520697 |
| ACHR | | Aircraft | 1824502 |
| ACHV | | In Vitro & In Vivo Diagnostic Substances | 949858 |
| ACI | | Retail-Grocery Stores | 1646972 |
| ACIC | | Fire, Marine & Casualty Insurance | 1401521 |
| ACIU | | Pharmaceutical Preparations | 1651625 |
| ACIW | | Services-Prepackaged Software | 935036 |
| ACLS | | Special Industry Machinery, NEC | 1113232 |
| ACLX | | Biological Products, (No Diagnostic Substances) | 1786205 |
| ACM | | Services-Engineering Services | 868857 |
| ACMIF | | - | 2065282 |
| ACMR | | Special Industry Machinery, NEC | 1680062 |
| ACN | | Services-Business Services, NEC | 1467373 |
| ACNB | | State Commercial Banks | 715579 |
| ACNT | | Chemicals & Allied Products | 95953 |
| ACOG | | Biological Products, (No Diagnostic Substances) | 1655923 |
| ACON | | Services-Medical Laboratories | 1635077 |
| ACP | | - | 1503290 |
| ACR | | Real Estate Investment Trusts | 1332551 |
| ACRE | | Real Estate Investment Trusts | 1529377 |
| ACRG | | Mining & Quarrying of Nonmetallic Minerals (No Fuels) | 773717 |
| ACRS | | Pharmaceutical Preparations | 1557746 |
| ACRV | | Pharmaceutical Preparations | 1781174 |
| ACT | | Insurance Agents, Brokers & Service | 1823529 |
| ACTG | | Patent Owners & Lessors | 934549 |
| ACTU | | Pharmaceutical Preparations | 1652935 |
| ACU | | Cutlery, Handtools & General Hardware | 2098 |
| ACUT | | Pharmaceutical Preparations | 1850767 |
| ACV | | - | 1636289 |
| ACVA | | Services-Business Services, NEC | 1637873 |
| ACXP | | Pharmaceutical Preparations | 1736243 |
| AD | | Radiotelephone Communications | 821130 |
| ADAG | | Pharmaceutical Preparations | 1818838 |
| ADAM | | Real Estate Investment Trusts | 1273685 |