| BLX | | Commercial Banks, NEC | 890541 |
| BLZE | | Services-Prepackaged Software | 1462056 |
| BLZR | | Blank Checks | 2075310 |
| BMA | | Commercial Banks, NEC | 1347426 |
| BMBL | | Services-Computer Programming, Data Processing, Etc. | 1830043 |
| BMBN | | State Commercial Banks | 804563 |
| BME | | - | 1314966 |
| BMEA | | Pharmaceutical Preparations | 1840439 |
| BMEZ | | - | 1785971 |
| BMGL | | Services-Offices & Clinics of Doctors of Medicine | 2004489 |
| BMHL | | Finance Services | 2027815 |
| BMI | | Totalizing Fluid Meters & Counting Devices | 9092 |
| BMN | | - | 1832871 |
| BMNM | | Real Estate Investment Trusts | 1275477 |
| BMNR | | Finance Services | 1829311 |
| BMO | | Commercial Banks, NEC | 927971 |
| BMOK | | Blank Checks | 2071607 |
| BMOOF | | Metal Mining | 1732379 |
| BMR | | Services-Prepackaged Software | 1899005 |
| BMRA | | In Vitro & In Vivo Diagnostic Substances | 73290 |
| BMRC | | State Commercial Banks | 1403475 |
| BMRN | | Pharmaceutical Preparations | 1048477 |
| BMTM | | Services-Computer Programming Services | 1568385 |
| BMXI | | Mining & Quarrying of Nonmetallic Minerals (No Fuels) | 1122993 |
| BMY | | Pharmaceutical Preparations | 14272 |
| BN | | Opeators of Nonresidential Buildings | 1001085 |
| BNAI | | Services-Computer Integrated Systems Design | 1838163 |
| BNBX | | Services-Testing Laboratories | 744452 |
| BNC | | Agricultural Services | 1482541 |
| BNED | | Retail-Miscellaneous Shopping Goods Stores | 1634117 |
| BNET | | Agricultural Chemicals | 875729 |
| BNGO | | Laboratory Analytical Instruments | 1411690 |
| BNIGF | | Pharmaceutical Preparations | 1851651 |
| BNKK | | Perfumes, Cosmetics & Other Toilet Preparations | 1760903 |
| BNL | | Real Estate Investment Trusts | 1424182 |
| BNO | | Commodity Contracts Brokers & Dealers | 1472494 |
| BNR | | Services-Medical Laboratories | 1792267 |
| BNRG | | Heating Equipment, Except Electric & Warm Air Furnaces | 1901215 |
| BNS | | State Commercial Banks | 9631 |
| BNT | | Insurance Carriers, NEC | 1837429 |
| BNTC | | Pharmaceutical Preparations | 1808898 |
| BNTX | | Biological Products, (No Diagnostic Substances) | 1776985 |
| BNY | | - | 1137390 |
| BNZI | | Services-Prepackaged Software | 1826011 |
| BOC | | Real Estate Operators (No Developers) & Lessors | 1494582 |
| BODI | | Retail-Nonstore Retailers | 1826889 |
| BOE | | - | 1320375 |
| BOF | | Food and Kindred Products | 1962481 |
| BOH | | State Commercial Banks | 46195 |
| BOKF | | National Commercial Banks | 875357 |