| ID | Name | Type |
|---|---|---|
| #10161 | National Extension College Trust Ltd | Z |
| #21328 | National Pirates | P |
| #17560 | National Sinclair User Club | S |
| #17561 | National Software | S |
| #10162 | National Software Library | X |
| #17562 | National ZX Users Club | U |
| #10163 | Nationsoft | Z |
| #10164 | Natsoft Programs | Z |
| #10165 | Nature Pictures | Z |
| #10166 | Naughty Crew | Z |
| #17563 | Navajo Software | M |
| #10168 | Navigator | - |
| #21755 | Naymar | + |
| #16024 | Nazca Software | P |
| #10158 | Naše Vojsko n.p. | Z |
| #22196 | Ne7 | - |
| #10169 | Neal Cavalier-Smith | ? |
| #22971 | Neal Hughes | + |
| #16629 | Neal Rycroft | + |
| #10170 | Neal Vincent | ? |