| BXRLY | | - | 2056450 |
| BXSL | | - | 1736035 |
| BXSY | | - | 1059213 |
| BY | | State Commercial Banks | 1702750 |
| BYAH | | Soap, Detergents, Cleang Preparations, Perfumes, Cosmetics | 1986247 |
| BYD | | Hotels & Motels | 906553 |
| BYDIF | | - | 1447956 |
| BYFC | | Savings Institution, Federally Chartered | 1001171 |
| BYM | | - | 1181187 |
| BYND | | Food and Kindred Products | 1655210 |
| BYNO | | Blank Checks | 1801417 |
| BYRN | | Miscellaneous Electrical Machinery, Equipment & Supplies | 1354866 |
| BYSI | | Pharmaceutical Preparations | 1677940 |
| BZ | | Services-Computer Programming, Data Processing, Etc. | 1842827 |
| BZAI | | Semiconductors & Related Devices | 1871638 |
| BZFD | | Communications Services, NEC | 1828972 |
| BZH | | Operative Builders | 915840 |
| BZUN | | Retail-Catalog & Mail-Order Houses | 1625414 |
| BZYR | | In Vitro & In Vivo Diagnostic Substances | 724445 |
| C | | National Commercial Banks | 831001 |
| CAAP | | Airports, Flying Fields & Airport Terminal Services | 1717393 |
| CAAS | | Motor Vehicle Parts & Accessories | 2037400 |
| CABA | | Biological Products, (No Diagnostic Substances) | 1759138 |
| CABO | | Cable & Other Pay Television Services | 1632127 |
| CAC | | National Commercial Banks | 750686 |
| CACC | | Personal Credit Institutions | 885550 |
| CACI | | Services-Computer Integrated Systems Design | 16058 |
| CADE | | - | 1299939 |
| CADL | | Biological Products, (No Diagnostic Substances) | 1841387 |
| CADV | | Retail-Eating Places | 2066899 |
| CAE | | Miscellaneous Electrical Machinery, Equipment & Supplies | 1173382 |
| CAEA | | - | 2072033 |
| CAEP | | Blank Checks | 2034268 |
| CAF | | - | 1368493 |
| CAG | | Food and Kindred Products | 23217 |
| CAH | | Wholesale-Drugs, Proprietaries & Druggists' Sundries | 721371 |
| CAHO | | Retail-Catalog & Mail-Order Houses | 1678105 |
| CAI | | Services-Medical Laboratories | 2019410 |
| CAKE | | Retail-Eating Places | 887596 |
| CAL | | Footwear, (No Rubber) | 14707 |
| CALC | | Pharmaceutical Preparations | 1534133 |
| CALM | | Agricultural Prod-Livestock & Animal Specialties | 16160 |
| CALX | | Communications Services, NEC | 1406666 |
| CAMG | | Services-Advertising | 1419559 |
| CAMP | | Pharmaceutical Preparations | 1736730 |
| CAMT | | Optical Instruments & Lenses | 1109138 |
| CAN | | Finance Services | 1780652 |
| CANE | | Commodity Contracts Brokers & Dealers | 1471824 |
| CANF | | Pharmaceutical Preparations | 1536196 |
| CANG | | Services-Prepackaged Software | 1725123 |
