| 62232 | Net curtains, specialized store retail trade services of | |
| 61132 | Net curtains, wholesale trade services of, except on a fee or contract basis | |
| 61232 | Net curtains, wholesale trade services of, on a fee or contract basis | |
| 84130 | Network termination points, data transmission by satellite between | |
| 84110 | Network termination points, data transmission by wire between | |
| 84120 | Network termination points, data transmission by wireless between | |
| 84130 | Network termination points, motion picture video transmission by satellite between | |
| 84110 | Network termination points, motion picture video transmission by wire between | |
| 84120 | Network termination points, motion picture video transmission by wireless between | |
| 84130 | Network termination points, sound transmission by satellite between | |
| 84110 | Network termination points, sound transmission by wire between | |
| 84120 | Network termination points, sound transmission by wireless between | |
| 84130 | Network termination points, text transmission by satellite between | |
| 84110 | Network termination points, text transmission by wire between | |
| 84120 | Network termination points, text transmission by wireless between | |
| 84130 | Network termination points, voice transmission by satellite between | |
| 84110 | Network termination points, voice transmission by wire between | |
| 84120 | Network termination points, voice transmission by wireless between | |
| 93122 | Neurological consultation services | |
| 84420 | News agency services to audio-visual media | |
| 84410 | News agency services to newspapers and periodicals | |
| 83813 | News events, photographing of | |
| 83813 | News events, videotaping of | |
| 83812 | Newspaper advertizement photography | |
| 86921 | Newspaper printing on a fee or contract basis | |
| 68111 | Newspapers, collection of, by the national postal administration | |
| 68111 | Newspapers, delivery of, by the national postal administration | |
| 62351 | Newspapers, mail order retail trade services of | |
| 84410 | Newspapers, news agency services provided to | |
| 62151 | Newspapers, non-specialized store retail trade services of | |
| 62451 | Newspapers, other non-store retail trade services of | |
| 62551 | Newspapers, retail trade services of, on a fee or contract basis | |
| 62251 | Newspapers, specialized store retail trade services of | |
| 68111 | Newspapers, transport of, by the national postal administration | |
| 61151 | Newspapers, wholesale trade services of, except on a fee or contract basis | |
| 61251 | Newspapers, wholesale trade services of, on a fee or contract basis | |
| 86422 | Nickel, metallic coating in by chemical treatment | |
| 86422 | Nickel, metallic coating in by electrolysis | |
| 54129 | Night-clubs, general construction of | |
| 71559 | Non-central banks, designing of currency by | |