| Abbreviation | Definition |
|---|---|
| NEKEN | Now Empowerment Knowledge Enable Nations |
| NETIC | Net Improvement Consulting |
| NEVAS | NEVer ASsume |
| NIACA | Northern Ireland Agricultural Consultants Association |
| NICCA | Nebraska Independent Crop Consultant Association |
| NICS | Network Integration Consulting Services |
| NRNF | No Risk No Fun |
| NSCE | North South Consultant Exchange |
| NSCS | Network Solutions and Consulting Services |
| NTC | Nutritional Therapy Consultant |
| OBDC | Olivier Bertoncello Data Consulting |
| OBO | Our Best Offer |
| OCG | Oregon Consulting Group |
| OCPC | Ohio Certified Prevention Consultant |
| OCTMS | Orinokia Consulting Training and Marine Services |
| OCTMS | Orinokia Consulting Training Marine Service |
| OES | Optimum Engineering Services |
| OGOC | Oil & Gas Operations and Consulting, Inc. |
| OLC | On line Consulting |
| OMAIC | Office Moving & Industrial Consultant |