| Abbreviation | Definition |
|---|---|
| NCSP | Pjsc Novor. S |
| NCYF | New City H.y.fd |
| NDCM | Ntt Docomo |
| NEP | Neptune-calc |
| NEPI | New Euro.pty |
| NET | Netcall |
| NETD | Netdimensions |
| NEW | New World Oil |
| NEX | Nat.express |
| NFC | Next Fifteen |
| NFDA | Nthn.foods Assd |
| NFDS | Nthn.foods |
| NG. | National Grid |
| NGG | Nextgen (de-listed) |
| NGH | Network Group (de-listed) |
| NGL | Norseman (de-listed) |
| NGP | Niche Grp. |
| NGR | Nature Group, P.L.C. |
| NGTA | Northgte Tech A |
| NGTS | Northgte Tech S |