| KELYA | | Services-Help Supply Services | 55135 |
| KEN | | Electric Services | 1611005 |
| KENS | | Services-Miscellaneous Amusement & Recreation | 55234 |
| KEP | | Electric Services | 887225 |
| KEQU | | Laboratory Apparatus & Furniture | 55529 |
| KEX | | Water Transportation | 56047 |
| KEY | | National Commercial Banks | 91576 |
| KEYS | | Industrial Instruments For Measurement, Display, and Control | 1601046 |
| KF | | 0000 | 748691 |
| KFFB | | Savings Institution, Federally Chartered | 1297341 |
| KFII | | Blank Checks | 2029976 |
| KFRC | | Services-Help Supply Services | 930420 |
| KFS | | Fire, Marine & Casualty Insurance | 1072627 |
| KFY | | Services-Employment Agencies | 56679 |
| KG | | Fire, Marine & Casualty Insurance | 2055116 |
| KGC | | Gold and Silver Ores | 701818 |
| KGEI | | Crude Petroleum & Natural Gas | 1477081 |
| KGS | | Natural Gas Transmission | 1767042 |
| KHC | | Canned, Frozen & Preservd Fruit, Veg & Food Specialties | 1637459 |
| KHOB | | Services-Computer Programming Services | 1909770 |
| KIDS | | Surgical & Medical Instruments & Apparatus | 1425450 |
| KIDZ | | Services-Educational Services | 2022308 |
| KII | | Blank Checks | 2086524 |
| KIM | | Real Estate Investment Trusts | 879101 |
| KINS | | Fire, Marine & Casualty Insurance | 33992 |
| KIO | | - | 1515940 |
| KIQSF | | Railroad Equipment | 1161814 |
| KITL | | Retail-Eating & Drinking Places | 1608092 |
| KITT | | General Industrial Machinery & Equipment, NEC | 1849820 |
| KKR | | Investment Advice | 1404912 |
| KLAC | | Optical Instruments & Lenses | 319201 |
| KLAR | | Finance Services | 2003292 |
| KLC | | Services-Child Day Care Services | 1873529 |
| KLIC | | Semiconductors & Related Devices | 56978 |
| KLK | | Services-Prepackaged Software | 2071502 |
| KLNG | | Oil & Gas Field Machinery & Equipment | 1110607 |
| KLRS | | Biological Products, (No Diagnostic Substances) | 1754068 |
| KLTO | | Biological Products, (No Diagnostic Substances) | 1907223 |
| KLTR | | Services-Prepackaged Software | 1432133 |
| KLXE | | Oil & Gas Field Services, NEC | 1738827 |
| KMB | | Converted Paper & Paperboard Prods (No Contaners/Boxes) | 55785 |
| KMDA | | Pharmaceutical Preparations | 1567529 |
| KMFG | | Wholesale-Apparel, Piece Goods & Notions | 1935033 |
| KMPR | | Fire, Marine & Casualty Insurance | 860748 |
| KMRK | | Games, Toys & Children's Vehicles (No Dolls & Bicycles) | 2049187 |
| KMT | | Machine Tools, Metal Cutting Types | 55242 |
| KMTS | | Surgical & Medical Instruments & Apparatus | 1877184 |
| KMX | | Retail-Auto Dealers & Gasoline Stations | 1170010 |
| KN | | Household Audio & Video Equipment | 1587523 |
| KNDI | | Motor Vehicle Parts & Accessories | 1720250 |
