| Abbreviation | Definition |
|---|---|
| NGP | Northern Great Plains, Inc. |
| NGPI | NDC Guthrie Plantations Inc |
| NGSC | Natural Gas Storage Company |
| NGSC | North Gibson School Corporation |
| NGSC | Northrop Grumman Systems Corporation |
| NGT | New Global Telecom |
| NH | Navarra Hotels |
| NH | Newport Hydrographic |
| NH | Noord Holland |
| NH | Nueva Hosteleria |
| NHAI | National Health Administrators Inc |
| NHAI | National Health Administrators Inc. |
| NHBC | National Home Buyers Company |
| NHBC | New Holland Brewing Company |
| NHC | New Hope Corporation |
| NHCC | National Housing and Construction Company |
| NHCI | Neighborhood Health Clinics INC |
| NHCI | Norsk Hydro Canada, Inc. |
| NHCL | New Horizons Cybersoft Ltd |
| NHCL | Notting Hill Carnival Ltd |