| NUVI | | Agricultural Chemicals | 1410708 |
| NUVL | | Pharmaceutical Preparations | 1861560 |
| NUVR | | Telephone Communications (No Radiotelephone) | 71557 |
| NUW | | - | 1450445 |
| NUWE | | Electromedical & Electrotherapeutic Apparatus | 1506492 |
| NVA | | Gold and Silver Ores | 1852551 |
| NVAX | | Biological Products, (No Diagnostic Substances) | 1000694 |
| NVCR | | Surgical & Medical Instruments & Apparatus | 1645113 |
| NVCT | | Pharmaceutical Preparations | 1875558 |
| NVDA | | Semiconductors & Related Devices | 1045810 |
| NVEC | | Semiconductors & Related Devices | 724910 |
| NVG | | - | 1090116 |
| NVGLF | | - | 1607807 |
| NVGS | | Deep Sea Foreign Transportation of Freight | 1581804 |
| NVMI | | Optical Instruments & Lenses | 1109345 |
| NVNI | | Services-Prepackaged Software | 1965143 |
| NVNO | | Surgical & Medical Instruments & Apparatus | 1661053 |
| NVO | | Pharmaceutical Preparations | 353278 |
| NVR | | Operative Builders | 906163 |
| NVRI | | Services-Services, NEC | 45876 |
| NVS | | Pharmaceutical Preparations | 1114448 |
| NVSGF | | - | 1415758 |
| NVST | | Dental Equipment & Supplies | 1757073 |
| NVT | | Special Industry Machinery (No Metalworking Machinery) | 1720635 |
| NVTS | | Semiconductors & Related Devices | 1821769 |
| NVVE | | Power, Distribution & Specialty Transformers | 1836875 |
| NVX | | Miscellaneous Electrical Machinery, Equipment & Supplies | 1859795 |
| NWAX | | Blank Checks | 2074878 |
| NWBI | | National Commercial Banks | 1471265 |
| NWBO | | Pharmaceutical Preparations | 1072379 |
| NWCYY | | - | 2073913 |
| NWE | | Electric & Other Services Combined | 1993004 |
| NWFL | | State Commercial Banks | 1013272 |
| NWG | | Commercial Banks, NEC | 844150 |
| NWGL | | Lumber & Wood Products (No Furniture) | 1948294 |
| NWL | | Plastics Products, NEC | 814453 |
| NWN | | Natural Gas Distribution | 1733998 |
| NWPP | | State Commercial Banks | 1163389 |
| NWPX | | Steel Pipe & Tubes | 1001385 |
| NWS | | Newspapers: Publishing or Publishing & Printing | 1564708 |
| NWSGY | | - | 1449664 |
| NWTG | | Sporting & Athletic Goods, NEC | 1934245 |
| NX | | Rolling Drawing & Extruding of Nonferrous Metals | 1423221 |
| NXC | | - | 885732 |
| NXDR | | Services-Computer Programming, Data Processing, Etc. | 1846069 |
| NXDT | | Real Estate Investment Trusts | 1356115 |
| NXE | | Miscellaneous Metal Ores | 1698535 |
| NXG | | - | 1506488 |
| NXGL | | Surgical & Medical Instruments & Apparatus | 1468929 |
| NXJ | | - | 1087786 |