| FCPT | | Real Estate Investment Trusts | 1650132 |
| FCRS | | Blank Checks | 2074697 |
| FCT | | - | 1282850 |
| FCUV | | Industrial Instruments For Measurement, Display, and Control | 1590418 |
| FCX | | Metal Mining | 831259 |
| FDBC | | National Commercial Banks | 1098151 |
| FDCT | | Services-Prepackaged Software | 1722731 |
| FDMT | | Biological Products, (No Diagnostic Substances) | 1650648 |
| FDP | | Agricultural Production-Crops | 1047340 |
| FDS | | Services-Computer Programming, Data Processing, Etc. | 1013237 |
| FDSB | | Savings Institution, Federally Chartered | 2012726 |
| FDUS | | - | 1513363 |
| FDX | | Air Courier Services | 1048911 |
| FDXTF | | - | 1970125 |
| FE | | Electric Services | 1031296 |
| FEAM | | Mining & Quarrying of Nonmetallic Minerals (No Fuels) | 1888654 |
| FEBO | | Electric Housewares & Fans | 1957001 |
| FECOF | | Crude Petroleum & Natural Gas | 849997 |
| FEDU | | Services-Educational Services | 1709819 |
| FEIM | | Instruments For Meas & Testing of Electricity & Elec Signals | 39020 |
| FELE | | Motors & Generators | 38725 |
| FEMY | | Surgical & Medical Instruments & Apparatus | 1339005 |
| FENC | | Biological Products, (No Diagnostic Substances) | 1211583 |
| FENG | | Television Broadcasting Stations | 1509646 |
| FER | | Heavy Construction Other Than Bldg Const - Contractors | 1468522 |
| FERA | | Blank Checks | 2025401 |
| FERG | | Wholesale-Hardware & Plumbing & Heating Equipment & Supplies | 2011641 |
| FET | | Oil & Gas Field Machinery & Equipment | 1401257 |
| FETH | | Finance Services | 2000046 |
| FF | | Industrial Organic Chemicals | 1337298 |
| FFA | | - | 1291334 |
| FFAI | | Motor Vehicles & Passenger Car Bodies | 1805521 |
| FFBC | | National Commercial Banks | 708955 |
| FFC | | - | 1174164 |
| FFIC | | State Commercial Banks | 923139 |
| FFIN | | State Commercial Banks | 36029 |
| FFIV | | Computer Communications Equipment | 1048695 |
| FFLO | | Retail-Auto & Home Supply Stores | 1543652 |
| FFMGF | | Gold and Silver Ores | 1641229 |
| FFWM | | State Commercial Banks | 1413837 |
| FG | | Life Insurance | 1934850 |
| FGBI | | Savings Institution, Federally Chartered | 1408534 |
| FGCO | | Finance Services | 1377167 |
| FGDL | | Commodity Contracts Brokers & Dealers | 1858258 |
| FGEN | | Pharmaceutical Preparations | 921299 |
| FGFH | | State Commercial Banks | 786298 |
| FGHFF | | - | 1754180 |
| FGI | | Heating Equip, Except Elec & Warm Air; & Plumbing Fixtures | 1864943 |
| FGL | | Construction - Special Trade Contractors | 1989930 |
| FGMC | | Blank Checks | 1906364 |