| ECG | | Operative Builders | 2015845 |
| ECIA | | Surgical & Medical Instruments & Apparatus | 930775 |
| ECL | | Soap, Detergents, Cleang Preparations, Perfumes, Cosmetics | 31462 |
| ECO | | Deep Sea Foreign Transportation of Freight | 1964954 |
| ECOR | | Electromedical & Electrotherapeutic Apparatus | 1560258 |
| ECPG | | Short-Term Business Credit Institutions | 1084961 |
| ECPL | | Services-Misc Health & Allied Services, NEC | 1356914 |
| ECST | | Services-Prepackaged Software | 2058007 |
| ECTM | | Crude Petroleum & Natural Gas | 1487798 |
| ECVT | | Chemicals & Allied Products | 1708035 |
| ECX | | Services-Computer Integrated Systems Design | 1861974 |
| ECXJ | | Motor Vehicle Parts & Accessories | 1823635 |
| ED | | Electric & Other Services Combined | 1047862 |
| EDAP | | Electromedical & Electrotherapeutic Apparatus | 1041934 |
| EDBL | | Agricultural Production-Crops | 1809750 |
| EDD | | - | 1388141 |
| EDF | | - | 1501103 |
| EDGM | | Services-Home Health Care Services | 1652958 |
| EDHL | | Services-Advertising | 2024876 |
| EDIT | | Biological Products, (No Diagnostic Substances) | 1650664 |
| EDN | | Electric Services | 1395213 |
| EDPFY | | Electric Services | 1039610 |
| EDRY | | Water Transportation | 1731388 |
| EDSA | | Pharmaceutical Preparations | 1540159 |
| EDTK | | Services-Educational Services | 1782309 |
| EDU | | Services-Educational Services | 1372920 |
| EDUC | | Wholesale-Miscellaneous Nondurable Goods | 31667 |
| EDVR | | - | 1917599 |
| EE | | Natural Gas Distribution | 1888447 |
| EEA | | 0000 | 791718 |
| EEFT | | Functions Related To Depository Banking, NEC | 1029199 |
| EEGI | | General Bldg Contractors - Residential Bldgs | 1043150 |
| EEIQ | | Services-Educational Services | 1781397 |
| EESH | | Water Supply | 1138867 |
| EEX | | Services-Business Services, NEC | 1579214 |
| EFC | | Real Estate | 1411342 |
| EFOI | | Electric Lighting & Wiring Equipment | 924168 |
| EFR | | - | 1258623 |
| EFSC | | State Commercial Banks | 1025835 |
| EFSI | | State Commercial Banks | 880641 |
| EFT | | - | 1288992 |
| EFTY | | Services-Management Consulting Services | 2058349 |
| EFX | | Services-Consumer Credit Reporting, Collection Agencies | 33185 |
| EFXT | | General Industrial Machinery & Equipment | 1904856 |
| EG | | Fire, Marine & Casualty Insurance | 1095073 |
| EGAN | | Services-Prepackaged Software | 1066194 |
| EGBN | | State Commercial Banks | 1050441 |
| EGG | | Services-Management Consulting Services | 1982961 |
| EGHA | | Blank Checks | 2052547 |
| EGHT | | Services-Computer Processing & Data Preparation | 1023731 |
