| Abbreviation | Definition |
|---|---|
| NCIF | New College Initiatives Fund |
| NCII | Northeastern Community Investments, Incorporated |
| NCII | Northern Colorado Intergroup Inc |
| NCIMB | National Collection of Industrial, Marine and Food Bacteria |
| NCIRC | NATO Computer Incident Response Capability |
| NCIS | A National Company Incorporation Service |
| NCIS | National Crop Insurance Services |
| NCIX | Netlink Computers |
| NCJ | Neville C. Johnson Realtors |
| NCJC | New Columbia Joist Company |
| NCL | Nail City Lantern |
| NCL | National Communications Limited Corporation |
| NCL | Nation's CareLink |
| NCL | Nintendo Company Limited |
| NCL | Nintendo Company, Limited |
| NCL | Northern Coalfields Limited |
| NCL | Norwegian Cruise Line |
| NCLA | Nail Couture LA |
| NCLEC | Niagara College Learning Enterprise Corporation |
| NCLI | Nutraceutical Clinical Laboratories International |