| WD | | Finance Services | 1497770 |
| WDAY | | Services-Computer Processing & Data Preparation | 1327811 |
| WDC | | Computer Storage Devices | 106040 |
| WDFC | | Miscellaneous Chemical Products | 105132 |
| WDH | | Insurance Agents, Brokers & Service | 1823986 |
| WDI | | - | 1819559 |
| WDLF | | Finance Services | 1281984 |
| WDS | | Crude Petroleum & Natural Gas | 844551 |
| WDSP | | Wholesale-Computers & Peripheral Equipment & Software | 1813744 |
| WEA | | - | 1163792 |
| WEAV | | Services-Prepackaged Software | 1609151 |
| WEBNF | | Commercial Banks, NEC | 719245 |
| WEC | | Electric & Other Services Combined | 783325 |
| WELL | | Real Estate Investment Trusts | 766704 |
| WELNF | | Retail-Nonstore Retailers | 1877557 |
| WELPP | | Electric Services | 107815 |
| WEN | | Retail-Eating & Drinking Places | 30697 |
| WENN | | Blank Checks | 2057043 |
| WERN | | Trucking (No Local) | 793074 |
| WES | | Natural Gas Transmission | 1423902 |
| WEST | | Beverages | 1806347 |
| WETH | | Computer Peripheral Equipment, NEC | 1826660 |
| WETO | | Local & Suburban Transit & Interurban Hwy Passenger Trans | 1941158 |
| WEWA | | Services-Computer Programming, Data Processing, Etc. | 1616156 |
| WEX | | Services-Business Services, NEC | 1309108 |
| WEYS | | Wholesale-Apparel, Piece Goods & Notions | 106532 |
| WF | | Commercial Banks, NEC | 1264136 |
| WFC | | National Commercial Banks | 72971 |
| WFCF | | Services-Prepackaged Software | 1360565 |
| WFF | | Miscellaneous Manufacturing Industries | 1980210 |
| WFG | | Sawmills & Planting Mills, General | 1402388 |
| WFRD | | Oil & Gas Field Machinery & Equipment | 1603923 |
| WGO | | Motor Homes | 107687 |
| WGRX | | Wholesale-Drugs, Proprietaries & Druggists' Sundries | 2030763 |
| WGS | | Services-Health Services | 1818331 |
| WH | | Hotels & Motels | 1722684 |
| WHD | | Oil & Gas Field Machinery & Equipment | 1699136 |
| WHEN | | Services-Prepackaged Software | 943535 |
| WHF | | - | 1552198 |
| WHG | | Investment Advice | 1165002 |
| WHGOF | | - | 1423867 |
| WHLM | | Services-Management Consulting Services | 1013706 |
| WHLR | | Real Estate Investment Trusts | 1527541 |
| WHLT | | Agricultural Services | 1025771 |
| WHR | | Household Appliances | 106640 |
| WHWK | | Pharmaceutical Preparations | 1422142 |
| WIA | | - | 1254370 |
| WILC | | Wholesale-Groceries, General Line | 1030997 |
| WIMI | | Services-Prepackaged Software | 1770088 |
| WINA | | Retail-Miscellaneous Retail | 908315 |