| CLBK | | Savings Institution, Federally Chartered | 1723596 |
| CLBT | | Services-Prepackaged Software | 1854587 |
| CLBZ | | Real Estate | 2050338 |
| CLCO | | Water Transportation | 1944057 |
| CLCS | | Pharmaceutical Preparations | 1569340 |
| CLDI | | Biological Products, (No Diagnostic Substances) | 1855485 |
| CLDT | | Real Estate Investment Trusts | 1476045 |
| CLDVF | | - | 1971260 |
| CLDX | | In Vitro & In Vivo Diagnostic Substances | 744218 |
| CLEV | | Misc Industrial & Commercial Machinery & Equipment | 1414382 |
| CLF | | Metal Mining | 764065 |
| CLFD | | Telephone & Telegraph Apparatus | 796505 |
| CLGN | | Orthopedic, Prosthetic & Surgical Appliances & Supplies | 1631487 |
| CLH | | Hazardous Waste Management | 822818 |
| CLIK | | Services-Employment Agencies | 2020027 |
| CLIR | | Industrial Instruments For Measurement, Display, and Control | 1434524 |
| CLLS | | Biological Products, (No Diagnostic Substances) | 1627281 |
| CLM | | - | 814083 |
| CLMB | | Wholesale-Computers & Peripheral Equipment & Software | 945983 |
| CLMT | | Petroleum Refining | 2013745 |
| CLNE | | Gas & Other Services Combined | 1368265 |
| CLNN | | Pharmaceutical Preparations | 1822791 |
| CLNV | | Industrial Organic Chemicals | 1391426 |
| CLOQ | | Services-Prepackaged Software | 1437517 |
| CLOV | | Hospital & Medical Service Plans | 1801170 |
| CLOW | | Services-Computer Programming, Data Processing, Etc. | 1619227 |
| CLPR | | Real Estate Investment Trusts | 1649096 |
| CLPS | | Services-Prepackaged Software | 1724542 |
| CLPT | | Surgical & Medical Instruments & Apparatus | 1285550 |
| CLRB | | Pharmaceutical Preparations | 1279704 |
| CLRCF | | Blank Checks | 1903392 |
| CLRI | | Radiotelephone Communications | 1362516 |
| CLRLY | | - | 2063231 |
| CLRO | | Telephone & Telegraph Apparatus | 840715 |
| CLS | | Printed Circuit Boards | 1030894 |
| CLSD | | Pharmaceutical Preparations | 1539029 |
| CLSK | | Finance Services | 827876 |
| CLSO | | Blank Checks | 2085932 |
| CLST | | Savings Institution, Federally Chartered | 1849867 |
| CLUS | | Communications Services, NEC | 1346287 |
| CLVT | | Services-Computer Processing & Data Preparation | 1764046 |
| CLW | | Paperboard Mills | 1441236 |
| CLWT | | Wholesale-Professional & Commercial Equipment & Supplies | 1026662 |
| CLX | | Specialty Cleaning, Polishing and Sanitation Preparations | 21076 |
| CLYM | | Pharmaceutical Preparations | 1768446 |
| CM | | Commercial Banks, NEC | 1045520 |
| CMA | | National Commercial Banks | 28412 |
| CMBM | | Radio & Tv Broadcasting & Communications Equipment | 1738177 |
| CMBT | | Deep Sea Foreign Transportation of Freight | 1604481 |
| CMC | | Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens) | 22444 |