| MGPI | | Wholesale-Beer, Wine & Distilled Alcoholic Beverages | 835011 |
| MGRC | | Services-Equipment Rental & Leasing, NEC | 752714 |
| MGRT | | Services-Computer Programming Services | 2033377 |
| MGRX | | Services-Misc Health & Allied Services, NEC | 1938046 |
| MGSD | | Transportation Services | 2003750 |
| MGTE | | Finance Services | 1965052 |
| MGTX | | Biological Products, (No Diagnostic Substances) | 1735438 |
| MGX | | Biological Products, (No Diagnostic Substances) | 1785279 |
| MGY | | Crude Petroleum & Natural Gas | 1698990 |
| MGYR | | Savings Institution, Federally Chartered | 1337068 |
| MH | | Miscellaneous Publishing | 1951070 |
| MHD | | - | 1034665 |
| MHF | | - | 830487 |
| MHH | | Services-Management Consulting Services | 1437226 |
| MHK | | Carpets & Rugs | 851968 |
| MHLA | | Fire, Marine & Casualty Insurance | 1412100 |
| MHN | | - | 1038186 |
| MHO | | Operative Builders | 799292 |
| MHUA | | Surgical & Medical Instruments & Apparatus | 1835615 |
| MHUBF | | - | 1869137 |
| MI | | Finance Services | 1958713 |
| MIAX | | Security Brokers, Dealers & Flotation Companies | 1438472 |
| MIBE | | Services-Automotive Repair, Services & Parking | 1872066 |
| MICC | | Ice Cream & Frozen Desserts | 2071668 |
| MIDD | | Refrigeration & Service Industry Machinery | 769520 |
| MIGI | | Finance Services | 1218683 |
| MILIF | | - | 1866460 |
| MIMDF | | - | 1920576 |
| MIMI | | Services-Business Services, NEC | 1998560 |
| MIMTF | | - | 1460447 |
| MIN | | - | 826735 |
| MIND | | Search, Detection, Navigation, Guidance, Aeronautical Sys | 926423 |
| MINR | | Metal Mining | 1854816 |
| MIR | | Measuring & Controlling Devices, NEC | 1809987 |
| MIRA | | Pharmaceutical Preparations | 1904286 |
| MIRM | | Pharmaceutical Preparations | 1759425 |
| MIST | | Pharmaceutical Preparations | 1408443 |
| MITI | | Services-Computer Programming, Data Processing, Etc. | 802257 |
| MITK | | Computer Peripheral Equipment, NEC | 807863 |
| MITQ | | Photographic Equipment & Supplies | 1770236 |
| MITT | | Real Estate Investment Trusts | 1514281 |
| MIY | | - | 890393 |
| MKC | | Miscellaneous Food Preparations & Kindred Products | 63754 |
| MKDW | | Electronic & Other Electrical Equipment (No Computer Equip) | 1991332 |
| MKL | | Fire, Marine & Casualty Insurance | 1096343 |
| MKLY | | Blank Checks | 2067592 |
| MKSI | | Industrial Instruments For Measurement, Display, and Control | 1049502 |
| MKTR | | Services-Educational Services | 2070261 |
| MKTW | | Services-Prepackaged Software | 1805651 |
| MKTX | | Security Brokers, Dealers & Flotation Companies | 1278021 |
